Isaac Heymann (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Isaac Heymann" in English language version.

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dbnl.org

delpher.nl

jewishencyclopedia.com

uni-frankfurt.de

sammlungen.ub.uni-frankfurt.de

  • Friedmann, Aron (1918). Lebensbilder berühmter Kantoren (in German). Vol. 1. Berlin: C. Boas Nchf. pp. 141–149.
  • Kirschner, Emanuel (1928). "Heymann, Isaak". In Herlitz, Georg; Kirschner, Bruno (eds.). Jüdisches Lexikon (in German). Vol. 2. Berlin: Jüdischer Verlag. p. 1587.
  • Wininger, Salomon (1928). "Heymann, Isaac H.". Große jüdische National-Biographie (in German). Vol. 3. Cernăuţi: Arta. p. 98.