Leftwich, J. (1958). Stefan Zweig and the world of yesterday: Joseph Leftwich. Year Book / Leo Baeck Institute.
Chicago-viite (17. p.)Leftwich, Joseph. "Stefan Zweig and the World of Yesterday: Joseph Leftwich." Year Book / Leo Baeck Institute 1958.
MLA-viite (8. p.)Leftwich, Joseph. "Stefan Zweig and the World of Yesterday: Joseph Leftwich." Year Book / Leo Baeck Institute, 1958.
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