Reershemius, G. (2014). Language as the main protagonist?: East Frisian Yiddish in the writing of Isaac Herzberg / By Gertrud Reershemius. Year Book / Leo Baeck Institute.
Chicago-referens (17:e uppl.)Reershemius, Gertrud. "Language as the Main Protagonist?: East Frisian Yiddish in the Writing of Isaac Herzberg / By Gertrud Reershemius." Year Book / Leo Baeck Institute 2014.
MLA-referens (8:e uppl.)Reershemius, Gertrud. "Language as the Main Protagonist?: East Frisian Yiddish in the Writing of Isaac Herzberg / By Gertrud Reershemius." Year Book / Leo Baeck Institute, 2014.
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