Zekher le-Hilel : bibliografyah shel yetsirot Hilel Bavli be-shirah u-prozah, u-reshimat ha-maʾamarim she-nikhtevu ʻalav ṿe-ʻal sefaraṿ /

by Malachi, Eliezer Raphael, 1895-1980
Nyu Yorḳ : Hotsaʾat ḥever ha-mesaymim shel Bet ha-Midrash le-morim...mi-yisudo shel Bet ha-Midrash le-Rabanim ba-Ameriḳah, 1962

Filon ha-Aleksandroni : ha-sofer u-sefaraṿ, u-mishnato ha-filosofit /

by Stein, Menahem, 1895-1943
Varshah : A.Y. Shtibel, 1937