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Explicitly mentioned as 'a book by James Holland' when discussing the French advance to the Siegfried Line and their retreat in the face of minimal German resistance

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Referenced when discussing Hitler's worldview, specifically his 1925 statement that 'the life of man is a dreadful struggle for existence'

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Referred to as 'his great book on the Nazis' when discussing Georg Elzer as an example of ordinary Germans in the 1930s; Evans uses Elzer because he was not very political

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Multiple references to Kershaw's two-volume Hitler biography throughout the episode, including his characterization of Brauchitsch as 'spineless,' his concept of 'working towards the Fuhrer,' and his analysis of Hitler's popularity

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Described as 'a really good source on the Third Reich in the early years of the war' - referring to the American correspondent's diary written while he was present in Germany