Hildebrand, Klaus The Foreign Policy of the Third Reich, London: Batsford, 1973.
Klaus Kinski | Klaus Schulze | Klaus Badelt | Klaus Barbie | Klaus Nomi | Klaus Mertens | Klaus Huber | Klaus Ebner | Václav Klaus | Klaus Ploghaus | Klaus Maria Brandauer | Klaus Knopper | Klaus Fuchs | Hildebrand & Wolfmüller | Vaclav Klaus | Klaus Theweleit | Klaus Schwab | Klaus Biesenbach | Klaus Allofs | Klaus | David Hildebrand Wilson | Klaus Zmorek | Klaus Zehelein | Klaus Wowereit | Klaus Roth | Klaus Rifbjerg | Klaus Nordling | Klaus M. Leisinger | Klaus Meine | Klaus Klostermaier |
Mason criticized Klaus Hildebrand and Karl Dietrich Bracher for focusing too much on Hitler as an explanation for the Holocaust.