Helfand, J. I. (1984). The symbiotic relationship between French and German Jewry in the age of emancipation. Year Book / Leo Baeck Institute.
Chicago-referens (17:e uppl.)Helfand, Jonathan I. "The Symbiotic Relationship Between French and German Jewry in the Age of Emancipation." Year Book / Leo Baeck Institute 1984.
MLA-referens (8:e uppl.)Helfand, Jonathan I. "The Symbiotic Relationship Between French and German Jewry in the Age of Emancipation." Year Book / Leo Baeck Institute, 1984.
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