 He noted all the various readings which are scattered through Talmudic and midrashic literatures, and consulted all the Masoretic works, both published and unpublished.To collate all the manuscripts to which he could gain access, and to find the Masoretic work "Masoret Seyag la-Torah" of Meïr ben Todros Abulafia, Jedidiah Solomon undertook extended voyages and lived for a long time abroad.Among the manuscripts consulted by him was that of Toledo of the year 1277 (now known as the "Codex De Rossi", No.