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The Battle of Delville Wood 14 July – 3 September, was an engagement in the 1916 Battle of the Somme in the First World War. It took place between the armies of the German Empire and allied British and empire forces. Delville Wood[Note 1] is to the north east of the town of Longueval in the département of the Somme in northern France. After the two weeks of carnage from the commencement of the Somme Offensive, it became evident that a breakthrough of either the Allied or German line was most unlikely and the offensive had evolved to the capture of small prominent towns, woods or features which offered either side tactical advantages from which to direct artillery fire or to launch further attacks.
Delville Wood was one such feature, making it important to German and Allied forces. As part of a large offensive starting on 14 July, General Douglas Haig, Commander of the British Expeditionary Force intended to secure the British right flank, while the centre advanced to capture the higher lying areas of High Wood in the centre of his line. Delville Wood was a battle to secure this right flank. The battle achieved this objective and is considered a tactical Allied victory. However, it was one of the bloodiest confrontations of the Somme, with both sides incurring large casualties. This tactical victory needs to be measured against the losses sustained as well as the fact that the British advance to the north had made only marginal gains by the end of the battle.
The battle is of particular importance to South Africa, as it was the first major engagement entered into on the Western Front by the South African 1st Infantry Brigade, which also contained a contingent of Southern Rhodesians. The casualties sustained by this Brigade were of catastrophic proportions, comparable to those encountered by Allied battalions on the first day of the Somme. On the Western Front, units were normally considered to be incapable of combat if their casualties had reached 30% and they were withdrawn once this level had been attained. The South African Brigade suffered losses of 80%, yet they managed to hold the Wood as ordered. This feat has been described as "...the bloodiest battle hell of 1916."
Delville Wood is known for the well preserved wood with the visible remains of the original trenches, a museum and monument to the fallen South Africans.
The Battle of the Somme had started on 1 July 1916 and by this time, the Allies had learned the lessons of the futile offensives of 1915 and of the meat-grinder type losses sustained at Verdun. The Allied objective was no longer to try to break the German Front in a sudden attack as the depth of German defences had proven this to be impossible. These lessons had reshaped earlier tactics and attacks were now independent attrition actions, conducted over a wide front and each one preceded by artillery "preparation" and the use of fresh troops. It was to be attrition on a campaign scale, the "crumbling" of defences. The offensive was split between British and Dominion forces in the north (from Gommecourt to Maricourt) and the French in the south (from the River Somme to the village of Frey).
After two weeks of battle, the German defenders were holding firm in the north and centre of the British sector—here the advance had stopped, except for two battles raging for the control of Ovillers and Contalmaison. There had been a number of Allied gains from the Ancre River southwards. In the area of Lt–Gen Sir Walter Congreve's XIII Corps, the German first line of defences had been breached in the areas of Montauban and Bernafay Wood. Trônes Wood proved more difficult and was captured by the British and then re-taken by the Germans. By 13 July, although under constant artillery bombardment, German forces were still persevering in Trônes Wood and firmly held the town of Longueval to the west of Delville Wood.
The Allied line was now split into sections by a right angle at Longueval—Delville Wood. On the left the Allied front faced north and to the right they faced east. This meant that an advance on a wide front would result in the attacking forces diverging as they advanced. In order to "straighten the line", General Sir Douglas Haig had decided to exploit the advances which had been made in the south by taking and holding Longueval. Being on fairly high ground and providing good spotting opportunities for artillery fire, Longueval would protect the right flank and allow the Allies to advance in the north and align their left with that of Congreve's XIII Corps on the right. General Douglas Haig had promised French President Poincaré significant gains to mark the French National Day, with attacks planned all along the Somme line for 14 July.
In executing General Haig's intentions, General Sir Henry Rawlinson, commander of the Fourth Army ordered Congreve to use his XIII Corps to capture Longueval, while XV Corps under command of Lieutenant General Henry Horne was instructed to provide flanking cover to the left of Congreve's XIII Corps attack. Rawlinson recommended that the advance be done at night and the attack launched at first light with a very short but intense artillery bombardment. The plan was to maximise surprise, which had been sadly missing in previous actions in the war. Haig strongly opposed the plan, in that it made use of inexperienced New Army Divisions and was to be launched at night. Rawlinson's view eventually prevailed but this debate consumed one day and where the Trônes Wood attack was initially planned to precede the Longueval attack, it was now postponed by one day to 14 July, the same day as the attack on Longueval with grave consequences.
An appreciation of the terrain shows that to capture Longueval, Congreve would first have to clear Trônes Wood as it was a danger to his right flank as he approached Longueval from the south. This would ease the capture of Longueval but the town could not be held unless Delville Wood, bordering the north eastern edge of the town, was also captured. If left in German hands, Delville Wood would permit unhindered shelling of the town and would provide ideal cover for the assembly of German reinforcements for a counterattack on Longueval.
Congreve assigned the 9th Scottish Division to attack Longueval and the 18th Eastern Division under Major General Ivor Maxse on their right, to clear Trônes Wood. The attack presented some formidable challenges: Firstly, Longueval was heavily fortified with trenches, tunnels and concrete bunkers and firmly occupied by elements of the IV Magdeburg Corps and Generalmajor von Lindquest and his 3rd Guards Infantry Division. The two attacking divisions were advancing into a salient covered from the north west by the Thüringisches Infanterie–Regiment Nr. 72, to the north the Magdeburg Corps and in and around Delville Wood, the Infanterie–Regiment Fürst Leopold von Anhalt–Dessau (1. Magdeburgisches) Nr.26, Thüringisches Infanterie–Regiment Nr. 153 and 107th Regiments. The divisions would be advancing uphill from Bernafay and Trônes Wood towards Longueval. The terrain sloped uphill and was funnel shaped, broad in the south and narrowing towards Longueval. The German defensive line left no other approach towards Longueval. It is also evident that General Sixt von Armin, commander of the German IV Corps opposing Congreve, suspected an attack on 13 or 14 July.
The Division Commander of the 9th Scottish Division, Major-General W.T. Furse, ordered that the Longueval attack be led by the 26th Brigade. The 8th Black Watch and the 10th Argyll & Sutherland Highlanders would lead. The 9th Seaforth Highlanders would provide support and the 5th Cameron Highlanders would be in reserve. The 27th Brigade would follow, mopping up any bypassed German elements and providing support for the intense fighting which was expected once the leading battalions had entered the fortified town. Once the town had been secured, the 27th Brigade was to pass through the 26th to take Delville Wood. The 1st South African Brigade was to be kept in reserve.
Progress in Longueval
The advance started at 0325 on 14 July on a 4 miles (6 km) front. This time there was no week-long artillery bombardment but a five minute barrage just before dawn. The result was that the attack started with surprise. Penetrating the German second line by a sudden blow on a limited front was easy but consolidating and extending the breach in the face of alerted German divisions was difficult. The attack on Longueval met with initial success as the thin German advance screen was rapidly overwhelmed. Then resistance stiffened. Knowing the importance of the position, the Chief of the German Great General Staff, General der Infanterie Erich von Falkenhayn had ordered that "...the enemy will not advance, except over corpses!"
By mid-morning, house–to–house fighting had developed; the artillery bombardment had been ineffective and German resistance was increasing as reserves were brought forward and as artillery and machine–gun fire from Delville Wood and positions in the town raked the advancing Highlanders. By afternoon, only the western and south western part of the town was in Allied hands and the 27th Brigade which was intended for the attack on Delville Wood, had been committed in support of the 26th. It became obvious to Major-General Furse of the 9th Division, that to secure Longueval, Delville Wood had to be taken first. He thus had no option but to commit his last reserve—the 1st South African Brigade. At 1300 Furse ordered Brigadier General Henry Lukin to deploy his 1st South African Brigade to advance and to capture Delville Wood.
Fighting for the wood
Break–in and initial occupation: 14 July
As part of the southern assault, the South African Brigade was to attack the German forces in Delville Wood, except for the 1st Battalion which had been deployed earlier to fill a gap between the 26th and 27th Brigades in Longueval.
The attack was planned for 1700 but this was later changed to 1900 and later again suspended to 0500 the next morning due to the limited progress being made in Longueval. Lukin was ordered to take the wood at all costs and instructed that his advance was to proceed even if the 26th and 27th Brigades had not captured the northern part of the town. Lukin ordered his battalion commanders to attack and break into the wood from the south western corner on a one–battalion front. 2nd Battalion would lead, the 3rd Battalion in direct support and the 4th in reserve. The three battalions moved out from Montauban before first light under command of Lieutenant–Colonel Tanner of the 2nd Battalion who was appointed as commander for the attack. On the advance march, Tanner received instructions to detach two further companies in support of the 26th Brigade still in Longueval. "B" and "C" Companies of the 4th Battalion were despatched to Longueval. The 2nd Battalion had reached a trench occupied by the 5th Camerons which ran parallel to the wood and using this as his start–line (Refer Map 1), Tanner instructed them to leave the trench and advance into the wood at 0600 on 15 July.
The first attack progressed smoothly and by 0700 the South Africans had secured the southern half of the wood, south of "Princes Street" (refer Map 2).[Note 2] Tanner then deployed two companies further north to secure the northern perimeter of the wood. Later during the morning, the 3rd Battalion progressed well towards the east and north east of the wood and by 1440 Tanner reported to Lukin that he had secured the whole wood, with the exception of a strong German position in the north west adjoining Longueval. Tanner had spread his troops along the entire perimeter in groups forming strong–points supported by machine–guns. Rather than having "secured" the wood, the brigade was now in a trap, occupying a salient with only the south western base being in contact with the 26th Brigade in Longueval. All troops were equipped with spades but digging within the perimeter of the wood was made difficult by roots and remnants of tree trunks from the previous day's artillery fire, making the preparation of proper trenches impossible, with the South Africans having to make do with shallow shell scrapes. With unprepared trenches, a narrow base to their salient and facing over 7,000 German troops, holding the wood was going to be extremely difficult!
German counter attack: 15 July 1916
At 1500 the Bayerische 6. Reserve–Infanterie–Regiment of the 10th Bavarian Division attacked in force from the east but were partially driven back by rifle and machine–gun fire. At 1640 Tanner reported to Lukin that German forces were observed massing to the north of the wood and he called for reinforcements as the South Africans had already lost one complete company from the 2nd (Natal and Free State) Battalion. Tanner had already received one company from the 4th (Scottish) Battalion from Longueval and Lukin sent a second company forward to reinforce the 3rd (Transvaal & Rhodesia) Battalion. In addition, Lukin sent forward messages urging Tanner and the battalion commanders to dig in regardless of fatigue, as heavy artillery fire was expected during the night or early the next morning. As it got darker, German high explosive and gas shells increased in intensity and later the night fire from the four accurately ranged Feldartillerie–Brigades reached 400 shells per minute into the wood.
British attack, 16 July
During the previous day, the 14th and 18th Divisions had cleared Trônes wood and established a line up to Maltzhorn Farm,[Note 3] joining up with the 9th Scottish Division who were holding the southern half of Longueval. At 0035, Lukin received orders that in the coming day, the South Africans were to block German access to the north western sector of the Wood at all costs—to allow the 9th Division to complete their intended capture the northern part of the town.
The instructions were for the South Africans to clear the north–western sector of the wood and then to advance westwards until they joined up with the 27th Brigade, fighting their way north and north–eastwards through Longueval. The advance started at 1000 on Sunday 16 July and failed totally—German opposition was simply too strong for the reduced strength regiment of South Africans and similarly, the 11th Royal Scots leading the 27th Brigade advance were pinned down in the town by machine gun fire from an orchard in the northern part of Longueval. It was during this action in the wood that Private W.F. Faulds of the 1st Battalion won the Victoria Cross (See Map 3). Following this failure, the remaining troops fell back to their trenches midway in the wood and were subjected to artillery fire for the rest of the day, to which they had no means of replying. By now, the situation had become desperate, compounded by an attack by the Thüringisches Infanterie-Regiment Nr. 153—Longueval and Delville Wood had proven to be far too strongly held for a one division assault by the 9th Scottish Division. It was a vicious circle, Longueval could not be captured without Delville Wood and Delville Wood could not be cleared of German forces without full control over Longueval.
Second attempt: 17 July
A second action was initiated before dawn on 17 July. The evening before, the South Africans had withdrawn south of Princes Street and east of Strand Street to permit a preparatory barrage to be fired at the north west corner of the wood the night preceding the attack. The same applied to the northern part of Longueval. Again, the Royal Scots of the 27th Brigade attacked north in Longueval and the 2nd South African Battalion plus two companies of the 1st Battalion attacked west to try to clear the wood. Again, German resistance was too great and machine–gun fire forced the South Africans to fall back to their original positions, suffering a large number of casualties in the process. By afternoon, there was no change, save for increased German artillery fire. That evening Tanner was wounded in the thigh and was replaced by Lt–Col Thackeray, (Commander of the 3rd Battalion) as commander of the troops in the Wood. The same evening, news was received that the 9th Division was to draw in its left flank and that the 3rd Division under command of Major-General Aylmer Haldane was to attack Longueval from the west during the course of the night.
Artillery fire continued to pour into the wood and by late evening, Lukin instructed all possible men to be pushed into the north western sector to support the attack on Longueval planned for 0345 that morning. However, during the night, under an advancing barrage of 116 field guns and over 70 medium guns, the German Guards Division advanced as far as Buchanan Street and Princes Street, driving the South Africans back from their forward trenches, again inflicting large casualties.
The Germans had spotted the forming up of the regiments in the wood and had retaliated with a bombardment of unprecedented fury—every part of the area was searched and smothered by shells. During this barrage, German troops began attacking and infiltrating the South African left flank from their strong positions in the north–west corner of the wood (See Map 4). By 1400 the South African position was desperate with attacks from the north–western corner, from the north and from the east and the second attempt to clear the north–western corner had failed. At 1815 news was received that the South African Brigade was to be relieved by the 26th Brigade.
The 3rd Division attack on Longueval had been a success and gains had been made in the northern sector of the town. However, General von Armin had reinforced the German forces by the deployment of the 8th Division from the IV Magdeburg Corps against the Buchanan Street line from the south east, forcing Thackeray to cling to the south western corner of the wood for two days and nights, as that was his lifeline to the rest of the 9th Division (See Map 4).
Further German counter attacks: 18 to 20 July
On the morning of 18th, the South Africans received support from the relatively fresh 76th Brigade of the 3rd Division who attacked through Longueval and across the south western part of the woods to join up with A Company of the 2nd South African Battalion. This union did not last long, as the 76th were forced to withdraw again under severe German fire. In the south, the South Africans had succeeded in recovering some of the lost territory; not because of attacks by their reduced numbers but because the Germans had withdrawn in preparation for orchestrated counterattacks in other areas. A German bombardment commenced at sunrise and was to continue the whole day while the German 8th Division was pushing snipers and grenadiers forward into the wood and then followed them up with massed infantry assaults. In addition, these types of attacks were being repeated simultaneously from the north, north east and north west.
By afternoon, the north perimeter had been pushed further south by German attacks. Hand–to–hand fighting had broken out all over the wood, as the South Africans could no longer hold a consolidated and continuous line, many of them being split into small groups without mutual support. By the afternoon of the 18th, the fresh Branderberger Regiment had also joined the fray. A German officer commented on this part of the battle that:
|“||...Delville Wood had disintegrated into a shattered wasteland of shattered trees, charred and burning stumps, craters thick with mud and blood, and corpses, corpses everywhere. In places they were piled four deep. Worst of all was the lowing of the wounded. It sounded like a cattle ring at the spring fair....
Uys (1983) p.205
By the 19th, the few South Africans who were left were subjected to further shelling and sniping, the sniping now being from extremely close ranges. They had been in the wood and the raging battle for five days. Early morning the 153rd Reserve Infantry Regiment and two companies of the 52nd Infantry Regiment entered the wood from the north and wheeled to attack the remaining men of the 3rd South African Battalion from behind, capturing six officers and 185 men from the Transvaal Battalion. The rest were killed. Later, by mid morning, in an attempt to reinforce the tottering South Africans, Black Watch, Seaforth and Cameron Highlander elements attempted to charge forward into the Wood to assist from Longueval, only to be once again blocked by Germans firing south from the north west corner of the wood. The Brigade was short of water, without food and unable to evacuate wounded. Many groups that were isolated and out of ammunition had no alternative but to surrender.
In the afternoon of the 19th, the 53rd Brigade was pressed forward, through the base of the salient to attempt to reach Thackeray's headquarters. They succeeded in reinforcing the base of the salient but were unable to provide any meaningful support to the forward elements of the South African brigade. This situation prevailed through the night of 19 and into 20 July.
On the 20th, the 76th Brigade of the 3rd Division was again pushed forward to attempt to relieve the 1st Brigade. The Royal Welsh Fusiliers fought to engineer the break–through to link up with the South Africans. In this action, two fusiliers (Cpl. Joseph Davies and Pte. Albert Hill) were awarded the Victoria Cross. By 1300 Thackeray sent a note to Lukin stating that his men were exhausted and could not repel any further attacks, pleading for water too. Leading elements of the Suffolk's and 6th Royal Berkshires were the first relieving troops to break through, meeting up with the remaining South African elements and then being led into the segment of the wood still under South African control.
Thackeray marched out of the wood to the pipes[Note 4] of the Black Watch leading two officers (both of whom were wounded) and 140 other ranks, they being the entire remnant of the South African Brigade. They spent the night at Talus Boise and the next day, these remaining forces withdrew to Happy Valley south of Longueval.
The 52nd and 76th Brigades faced sniping and heavy shelling in the Wood until 26 July. At 0700 on 27 July, 22nd and 23rd Royal Fusiliers (99 Bde, 2 Div), the 1st Royal Berkshires and the 1st Kings Royal Rifle Corps attacked the wood and cleared a large area of the southern part of the wood. During this action, Sgt. Albert Gill of Kings Royal Rifle Corps was killed, his actions earning him the Victoria Cross. The 2nd Division held the wood until 4 August when they were relieved by the 17th Northern Division who were in turn relieved by the 14th Light Division and 61st Brigade of the 20th Light Division on 11 August.
On 27 August, the Germans re–entered the wood from the north–east side. The artillery fire from the Germans had been so fierce and relentless, that only one tree still stood. That tree is still there today. Rain had turned the shell holes into pools of water and mud, many containing already decaying German and Allied corpses. Fighting resumed in all earnest and on 30 August the 72nd and 73rd Brigade of the 24th Division were sent in as reinforcements. The final German forces were driven from the wood on 3 September 1916.
Second battle: 1918
However, the wood was not to remain quiet—as the Allies held the Wood until April 1918 when it was again re–captured by German forces and held by them until 28 August 1918. On this day the 38th (Welsh) Division captured the wood for the second and last time. The war ended three months later.
The Allies had won a tactical victory and had secured Longueval and Delville Wood for the time required to permit the formations to their north to advance and capture High Wood and then the strategic Thiepval Ridge. Over the southern front, twenty three thousand men had been expended in these efforts, to gain a small "tongue" of ground a few miles deep. Both the Allies and Germans had suffered appalling casualties, caused largely by both sides continually committing new forces in piecemeal attacks against one another,[Note 5] as was similarly the case first in Trônes Wood and thereafter, in the same manner in Longueval and Delville Wood.
The Battle for Longueval and Delville Wood had started with a charge by the 2nd Indian Cavalry Division between Longueval and High Wood and ironically, two weeks after Delville Wood having finally been cleared, tanks were introduced for the first time in the Battle of the Somme. The Battle was to be one of the last examples of truly static, hand–to–hand close quarter infantry fighting on the Western Front. After this, tanks had replaced cavalry and concentrated artillery fire predominated over small unit infantry fighting.
A number of important tactical lessons were learned from the combat in Longueval and Delville Wood:
- The principle of assembling and advancing during the night to launch the attack at dawn with a short, concentrated artillery barrage in the interests of surprise was to be re–used in many subsequent battles;
- In future, the defensive line was to be constructed on the outer perimeter of wooded areas, rather than within the falsely perceived cover of the wood. The trees (roots) prevented the digging of deep, secure trenches. Further, their effect on shell fuzes caused frequent air–burst detonations, with fatal consequences to the poorly entrenched troops;
- It became policy that troops should be relieved after a maximum of two days of intense fighting. Delville Wood proved that troops required to fight through longer periods of combat became so exhausted and fatigued, compounded by them having used their ammunition, bombs and rations that after this period of time, their combat value was negligible and they were simply destroyed.
Both the Allies and German forces sustained extremely heavy losses, the 9th Division had lost 314 officers and 7,203 other ranks between 1 and 20 July. Details of the German losses are scarce, especially those of the Prussian divisions which played an important role in the battle, due to the loss of archive documents caused by the Allied strategic bombing campaign of World War II—particularly the raids on Potsdam in 1945. The German 26th Regiment (the equivalent of an Allied Brigade) which had been at a war establishment strength on 13 July had only 10 officers and 250 other ranks after the battle.
The question has frequently been asked as to why the South Africans remained in the wood only to be slaughtered by artillery fire. This was not the intention of the commanders: Brigadier-General Lukin’s post battle report stated that "My intention was to thin out the troops in the Wood as soon as the perimeter was seized, leaving the machine-guns with small detachments of infantry to hold it. The enemy, by launching counter-attacks at once, prevented this intention being carried out and Lieut-Col Tanner reported that he required all the men under his command to hold off the enemy.
Losses sustained by the South African Brigade have frequently been over-stated. When considering the claimed South African total casualties, a number of factors need to be considered:
- Casualties which had been sustained by the South African Brigade at Bernafay Wood and Maricourt before 14 July (the date of entering Delville Wood) are frequently, erroneously added to the Delville Wood casualties;
- Casualties sustained by the 1st and 4th Battalions in Longueval on 14 July are also incorrectly added to the Delville Wood totals;
- Of the three officers and 140 men who left Delville Wood on 20 July, less than half had entered the wood on 14 / 15 July, and were replacement troops which had been sent in between 16 and 20 July. According to Col. Thackeray, a total of 199 reinforcements had been received in the wood.
- The Brigade headquarters and staff had not deployed to the wood, and as such the total brigade staff at the start of the battle were not necessarily all in the wood.
- Additional troops (in addition to the 3 officers and 140 men who had withdrawn on 20 July) reported to Happy Valley for the muster parade of 21 July. So did the Brigade and Machine Gun Company staff.
The following table is based on South African Defence Force unit service cards as well as archive sources, which indicate the losses to be as follows:
|1st South African Brigade: Casualties sustained during the Battle of Delville Wood|
|Brigade / Unit||Unit strength at
start of Battle
14 July 1916
|Killed||Wounded||Missing / POW||Additional
died of wounds
up to October 1916
|Total Casualties||Effective unit|
20 July 1916
Note: * : Officers
Awards for gallantry
Four Victoria Crosses were awarded over the course of the Battle of Delville Wood:
- Private William Frederick Faulds on 18 July: 1st Battalion, 1st South African Brigade, 9th Scottish Division.
- Corporal Joseph John Davies on 20 July: 10th Battalion Royal Welsh Fusiliers, 76th Brigade, 3rd Division
- Private Albert Hill on 20 July: 10th Battalion Royal Welsh Fusiliers, 76th Brigade, 3rd Division.
- Sergeant Albert Gill on 27 July: 1st Battalion King's Royal Rifle Corps, 99th Brigade, 2nd Division.
During the First World War 5,200,000 Iron Crosses of the lower grade (Eisernes Kreuz 2. Klasse) were awarded, as well as 288,000 of the higher grade (Eisernes Kreuz 1. Klasse). The high numbers awarded as well as the destruction of records preclude the listing of German awards for gallantry forthcoming from this battle.
- South African Military History Society:
- Official website of the South African National Memorial:
- Delville Wood 360° panoramic:
- World War I Battlefields.
- Delville Wood Commonwealth War Graves Commission Cemetery
- Delville Wood South African National Memorial
- Delville Wood (in French, Bois d'Elville) is described as a thick tangle of trees, chiefly oak and birch, with dense hazel thickets intersected by grassy rides; Ref: Miles (1992) p.91
- The South African forces had inherited the English place names given to the locations in Delville Wood for the purposes of easy reference, as they were more meaningful than any French terms which had previously have been applied. Ref: Uys. I. SAMH (1986) p. 49
- Known as Maltzhorn Farm to the Germans and locals, but listed on the British 1:10,000 map for Longueval (Ed 2.E 15 August 1916) as Warterlot Farm. The farm contained a large sugar mill which provided good cover for sniping and artillery observation and was thus considered to be of tactical importance Ref: Hart (2006) p. 284
- The Black Watch piper was Piper Sandy Grieve who had fought against the South African Boers as part of the Highland Brigade at the Battle of Magersfontein in 1899, where he was wounded through the cheeks. Ref South African Military History Society: Newsletter 356, July 2008. 
- The German forces fed in a total of 42 additional divisions on the Somme front as from 1 July 1916. Over the whole front, by 31 July the Germans had suffered 160,000 losses and the Allies (including the French) a total in excess of 200,000 men. Ref: Keegan p.319
- "The Western Front Association (WFA)". pp. Order of Battle for The Somme July – November 1916. http://www.westernfrontassociation.com/great-war-on-land/43-britain-allies/318-order-somme-1916.html.
- Sheldon (2007) pg. 115
- Liddell-Hart (1970) p.324
- Beckett (2007) p.190
- Buchan (1969) p. 82
- Buchan (1992) p. 49
- Buchan (1992) pp.52–58
- Prior & Wilson (2005) p.141
- Philpott (2009) p.241
- Liddell-Hart (1970) pp.322–324
- Nasson (2007) p.133
- Uys (1991) p.96
- Miles (1992) p.89
- Digby (1993) p.121
- Digby (1993) p.123
- Miles (1992) p.83
- Buchan (1992) pp.59–63
- Uys (1983) p.71
- Uys (1983) p.72
- Nasson (2007) p.131
- Uys (1983) p.103
- Nasson (2007) p.132
- Buchan (1992) pp.64–69
- Uys (1983) p.104
- Uys (1983) p.135
- Buchan (1992) pp.70–75
- Uys (1983) p.204
- Uys, Ian. "The Lessons of Delville Wood". Military History Journal - Vol 6 No 1. South African Military History Society. http://samilitaryhistory.org/vol061iu.html. Retrieved 2009-10-21.
- Uys, (1991) p.102
- Nasson (2007) p.134
- Nasson (2007) p.135
- Uys, (1991) p.113
- Uys (1991) p.117
- Buchan (1992) p.72
- Uys (1991) p.121
- Uys (1991) p.122
- Liddell-Hart (1970) p.326
- Keegan (1998) p.319
- Hart (2006) p.294
- Buchan (1992)
- Uys (1991) p.159
- Uys (1991) p.165
- Miles (1992) p.108
- Sheldon (2007) Appendix III pg. 407
- Miles (1992) p.109
- SADF Archives, 1st S.A.I. Brigade War Diary, Report on Delville Wood by H.T. Lukin
- Uys (1983) p. 274
- Uys (1991) p.192
- Uys (1991) p.194
- Uys (1991) p.187
- Uys (1991) pp.194–198
- Faulds, William Frederick. "National Archives: Victoria Cross Register". WO 98/8. Awarded for action at Delville Wood. http://www.nationalarchives.gov.uk/documentsonline/details-result.asp?Edoc_Id=7499776&queryType=1&resultcount=2. Retrieved 2009-10-23.
- Davies, Joseph. "National Archives: Victoria Cross Register". WO 98/8. Awarded for action at Delville Wood. http://www.nationalarchives.gov.uk/documentsonline/details-result.asp?Edoc_Id=7499798&queryType=1&resultcount=1. Retrieved 2009-10-23.
- Hill, Albert. "National Archives: Victoria Cross Register". WO 98/8. Awarded for action at Delville Wood. http://www.nationalarchives.gov.uk/documentsonline/details-result.asp?Edoc_Id=7499801&queryType=1&resultcount=1. Retrieved 2009-10-23.
- Gill, Albert. "National Archives: Victoria Cross Register". WO 98/8. Awarded for action at Delville Wood. http://www.nationalarchives.gov.uk/documentsonline/details-result.asp?Edoc_Id=7499811&queryType=1&resultcount=1. Retrieved 2009-10-23.
- Thomas (2004) p. 43
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