Huss, B. (2024). "There are so Many Ways of Spiritual Development": Shmuel Hugo Bergmann's Interests in Western Esoteric and Alternative Spiritual Currents. Shmuel Hugo Bergmann : A Life between Prague and Jerusalem.
Lua i Stíl Chicago (17ú heag.)Huss, Boaz. ""There Are so Many Ways of Spiritual Development": Shmuel Hugo Bergmann's Interests in Western Esoteric and Alternative Spiritual Currents." Shmuel Hugo Bergmann : A Life Between Prague and Jerusalem 2024.
Lua MLA (8ú heag.)Huss, Boaz. ""There Are so Many Ways of Spiritual Development": Shmuel Hugo Bergmann's Interests in Western Esoteric and Alternative Spiritual Currents." Shmuel Hugo Bergmann : A Life Between Prague and Jerusalem, 2024.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.