McEwan, D. (2004). "The Enemy of Hypothesis": Fritz Saxl as Acting Director of the Bibliothek Warburg / Dorothea McEwan. Year Book / Leo Baeck Institute.
Chicago-referens (17:e uppl.)McEwan, Dorothea. ""The Enemy of Hypothesis": Fritz Saxl as Acting Director of the Bibliothek Warburg / Dorothea McEwan." Year Book / Leo Baeck Institute 2004.
MLA-referens (8:e uppl.)McEwan, Dorothea. ""The Enemy of Hypothesis": Fritz Saxl as Acting Director of the Bibliothek Warburg / Dorothea McEwan." Year Book / Leo Baeck Institute, 2004.
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