Wistrich, R. S. (1988). The clash of ideologies in Jewish Vienna (1880-1918): The strange odyssey of Nathan Birnbaum. Year Book / Leo Baeck Institute.
Lua i Stíl Chicago (17ú heag.)Wistrich, Robert Solomon. "The Clash of Ideologies in Jewish Vienna (1880-1918): The Strange Odyssey of Nathan Birnbaum." Year Book / Leo Baeck Institute 1988.
Lua MLA (8ú heag.)Wistrich, Robert Solomon. "The Clash of Ideologies in Jewish Vienna (1880-1918): The Strange Odyssey of Nathan Birnbaum." Year Book / Leo Baeck Institute, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.