Collection of books authored by members of the "Haskalah" ("Jewish Enlightenment") Movement. Europe, 1765-1868. Mostly Hebrew. 1. "Levanon – Gan Na'ul, " by Naftali Herz Weisel. Two parts bound in one (no additional parts published). Amsterdam: Brothers Joseph, Jacob, and Abraham Proops, [1765] / Amsterdam: Gerhard Johan Janson & Israel Mondovy, [1766]. 2. Single volume comprising three (of four) booklets from the series "Divrei Shalom Ve-Emet, " [Words of Peace and Truth] by Naftali Herz Weisel: Three letters (nos. 2-4) by Weisel, addressed to his critics. Berlin: Hinuch Ne'arim, [1782-85?]. 3. "Sefer Klil Ha-Heshbon" (a mathematics textbook), by David Friesenhausen. Berlin: Hinuch Ne'arim, (1796). 4. "Sefer Zekher Tzadik… the late Naftali Herz Weisel, " by David ben Zvi Hirsch Friedrichsfeld. Amsterdam: Solomon Proops Katz, [1809]. 5. "Mikhtav Li-Hakhmei Yisrael al Yisodei Ha-Emunah" ["Letter to the Jewish Sages Regarding the Foundations of Faith"], by Mordechai Dov Friedenthal. Wrocław: Leib Sulzbach, 5575 (1815). 6. "Bikurei Ha-Itim – Minhat Bikurim…, " edited by Moses Landau. Begins with excerpts from the Hebrew translation to Maimonides's "Guide of the Perplexed, " with commentaries. Ends with a section in German. Vienna: Anton Schmid, 1824. 7. "Nir David…, " by Shalom HaKohen. Vienna: Anton Edlen v. Schmid, 1834. 8. "Kinat Sofrim, " by Ada"m HaKohen. Vilna (Vilnius): Joseph Reuben bar Menahem min Romm, 1847. 9. "Keter Kehunah O Divrei Ha-Yamim LiKohanei Ha-Emunah HaYisraelit Ubenoteha, " by Alexander HaLevi Zederbaum. Odessa: L. Nietzsche and A. Zederbaum, 1866. 10. "Birkhot Horim – Shirim Yesodetam BiDivrei Kadmoneinu, " by Ludwig August Frankl. Vienna: Jacob Schlossberg, 1866. 11. "Tokhahti LaBikarin, " by Shalom Solomon Friedmann [Ada"m HaKohen]. Vilna (Vilnius): Joseph Reuben bar Menahem min Romm, 1868. Size and condition vary. Enclosed: An additional copy of the fourth part of the work "Nir David" by Shalom HaKohen (see above).