| 1. | Enciclopedia Judaica Castellana | Titulos | Vol. 10, p. 251-253 | |
| 2. | Kohler, Kaufmann | Abba, Father. Title of spiritual leader and saint | Jewish Quarterly Review 13 (1901), p. 567-580 = Exploring the Talmud, vol. 1: Education, ed. Haim Z. Dimitrowsky, N.Y. 1976, p. 15-163 | |
| 3. | Lauterbach, Jacob Z. | Rabban | Jewish Encyclopedia 10, p. 293-294 | |
| 4. | Low, Leopold | Der Titel Rabbi und Rabban | Forschungen des wissenschaftlich-talmudischen Vereins, Beilage zu Ben Chananja 1866-67, p. 221-226 = Gesammelte Schriften, vol. 4, Szegedin 1898, p. 211-216 | |
| 5. | Ploeg, J.P.M. van der | Les chefs du peuple d'Israel et leurs titres | Revue Biblique 57 (1950), p. 40-61 | |
| 6. | Sammter, Ascher | Titulaturen | In: Talmud Babylonicum - Tractat Baba Mezia, Berlin 1876, p. 142-144 | |
| 7. | Servi, Flamino | Sui titoli rabbinici | L'Educatore Israelita 16 (1868), p. 53-55, 109-112, 201-205 | |
| 8. | Shanks, Hershel | Is the title 'Rabbi' anachronistic in the Gospels? | Jewish Quarterly Review, N.S. 53 (1962-63), p. 337-345. | |
| 9. | Shanks, Hershel | Origins of the title 'Rabbi' | Jewish Quarterly Review, N.S. 59 (1968-69), p. 152-157 = Exploring the Talmud, vol. 1: Education, ed. Haim Z. Dimitrowsky, N.Y. 1976, p. 177-182 | |
| 10. | Sperber, Daniel | Titles (in the Talmud) | Encyclopedia Judaica 15, p. 1163-1164 | |
| 11. | Zobel, M. | Ehrentitel und Amtsbezeichnungen | Encyclopedia Judaica Eschkol-Verlag 6, p. 277-298 | |
| 12. | [Low, Leopold?] Weil | Die Namenertheilung neugeborener Madchen | Ben Chananja 4 (1861), p. 177-178 | |
