On 4 April 1946 Angelis was extradited to Yugoslavia and sentenced to 20 years for war crimes. He was then extradited to the Soviet Union and sentenced to two times 25 years. He was released in 1955 and repatriated to Germany.
Fellgiebel, Walther-Peer (2000) [1986]. Die Träger des Ritterkreuzes des Eisernen Kreuzes 1939–1945 — Die Inhaber der höchsten Auszeichnung des Zweiten Weltkrieges aller Wehrmachtteile [The Bearers of the Knight's Cross of the Iron Cross 1939–1945] (in German). Friedberg, Germany: Podzun-Pallas. ISBN978-3-7909-0284-6.
Thomas, Franz (1997). Die Eichenlaubträger 1939–1945 Band 1: A–K [The Oak Leaves Bearers 1939–1945 Volume 1: A–K] (in German). Osnabrück, Germany: Biblio-Verlag. ISBN978-3-7648-2299-6.
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