Naphtali Z. Chachamowicz after his death, comprising sermons on the Torah Portion, halachic decisions, responsa, and his last will. In this famous ethical will he asked that his sons devote time every day to learn at least one page of Gemara. References Its bibliography: Isaac Benjacob, Otzar ha-Sefarim Abraham Dob Berusch Flahm, Ebel Yachid, Warsaw, 1833; Fuenn, Keneset Yisrael, i. 554; Julius Fürst, Bibl. Jud. ii. 21 et seq.; Moritz Steinschneider, Cat. Bodl. col. 1229; Aaron Walden, Shem ha-Gedolim he-Ḥadash; Joseph Zedner, Cat. Hebr. Books Brit. Mus. p. 304. External links Jacob Ben Jacob Moses of Lissa, jewishencyclopedia.com 1760 births 1832 deaths 19th-century Polish rabbis People from Leszno 18th-century rabbis from the Russian Empire Authors of books on Jewish law