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König is mentioned both in Zaytsev's memoirs Notes of a Sniper and William Craig's 1973 non-fiction book Enemy at the Gates: The Battle for Stalingrad. He was portrayed by Ed Harris in the 2001 film Enemy at the Gates. American author David L. Robbins depicted the character using the name Heinz Thorvald in his 1999 novel War of the Rats.
- Zaytsev, Vasily (2010). Okrent, Neil, ed. "Notes of a Russian Sniper: Vassili Zaitsev and the Battle of Stalingrad". Frontline. p. 193. ISBN 9781848325654.
- Craig, William. Enemy at the Gates: The Battle for Stalingrad. Reader's Digest Press. p. 457. ISBN 0141390174. OCLC 613817.
- "Famous Snipers in History". CBS News. Retrieved September 10, 2017.