  3. Maimonides, Guide of the Perplexed  Ibn Tibbon began to work on this translation already in the 1190s, corresponded with Maimonides regarding problems of translation and interpretation, produced a first edition in 1204, and a revised version, with glossary (Perush ha-Millot ha-Zarot), in 1213. The translation itself generally circulated with the glossary, together with Ibn Tibbon’s marginal annotations, an introduction on translation, and other study aids and ad hoc discussions.