Wilhelm Drewes (26 May 1907 – 14 July 1982) was a highly decorated Major in the Wehrmacht during World War II, and one of only 882 recipients of the Knight's Cross of the Iron Cross with Oak Leaves. The Knight's Cross of the Iron Cross and its higher grade Oak Leaves was awarded to recognise extreme battlefield bravery or successful military leadership.
Fellgiebel, Walther-Peer (2000). Die Träger des Ritterkreuzes des Eisernen Kreuzes 1939-1945. Friedburg, Germany: Podzun-Pallas. ISBN 3-7909-0284-5.
Scherzer, Veit (2007) (in German). Die Ritterkreuzträger 1939–1945 Die Inhaber des Ritterkreuzes des Eisernen Kreuzes 1939 von Heer, Luftwaffe, Kriegsmarine, Waffen-SS, Volkssturm sowie mit Deutschland verbündeter Streitkräfte nach den Unterlagen des Bundesarchives [The Knight's Cross Bearers 1939–1945 The Holders of the Knight's Cross of the Iron Cross 1939 by Army, Air Force, Navy, Waffen-SS, Volkssturm and Allied Forces with Germany According to the Documents of the Federal Archives]. Jena, Germany: Scherzers Miltaer-Verlag. ISBN 978-3-938845-17-2.
1 Knight's Cross with Panzer-Regiment 3 (2nd Panzer Division), Swords with the XXXIX. Panzerkorps2 Knight's Cross with Panzer-Regiment 23 3 Knight's Cross with Panzer-Aufklärungsabteilung 7, Oak Leaves with Kradschützen-Bataillon 64