 Eliakim himself founded a Talmudical school in Speyer.He wrote a commentary on all the tractates of the "Talmud" except "Berakot" and "Niddah" (see Solomon Luria, Responsa, No.29, and Asher ben Jehiel, Responsa, Rule 1, § 8), which was used by scholars as late as the fourteenth century.