Williamson, D. G. (1975). Walther Rathenau: Patron saint of the German liberal establishment (1922-1972) / David Graham Williamson. Year Book / Leo Baeck Institute.
Chicago-referens (17:e uppl.)Williamson, David Graham. "Walther Rathenau: Patron Saint of the German Liberal Establishment (1922-1972) / David Graham Williamson." Year Book / Leo Baeck Institute 1975.
MLA-referens (8:e uppl.)Williamson, David Graham. "Walther Rathenau: Patron Saint of the German Liberal Establishment (1922-1972) / David Graham Williamson." Year Book / Leo Baeck Institute, 1975.
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