Olsvanger, I. (1921). Contentions with God: A study in Jewish folk-lore. Miller.
Lua i Stíl Chicago (17ú heag.)Olsvanger, Immanuel. Contentions with God: A Study in Jewish Folk-lore. Cape Town: Miller, 1921.
Lua MLA (8ú heag.)Olsvanger, Immanuel. Contentions with God: A Study in Jewish Folk-lore. Miller, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.