Title: Ḳovets rishonim ʻal 39 melakhot ; ... heʻarot u-verurim ʻal 39 melakhot ; berurim ṿe-tsiyunim be-divre ha-Rabiyah be-Mas. Shabat she-huvʼu ba-posḳim
Subjects: Prohibited work (Jewish law), Commentaries, Sabbath (Jewish law), Talmud
People: Eliezer ben Joel ha-Levi, of Bonn (12th/13th cent)