27,107 A; Paris, 1031, 5; St. Petersburg, 343, 344, 345, 346); "Perush Luḥot Paras," a commentary written in 1425 on the astronomical tables of Yezdegerd, tables already treated of by Solomon b. Elijah Sharbiṭ ha-Zahab (MSS. Paris, Nos.
27,107 A; Paris, 1031, 5; St. Petersburg, 343, 344, 345, 346); "Commentary on the Astronomical Tables of Yezdegerd," a written work from 1425 that builds upon Solomon b. Elijah Sharbiṭ ha-Zahab's earlier analysis (MSS. Paris, Nos.