Collection of sixteen letters sent by the most prominent rabbis and Torah teachers of the previous generation to the gaon Rabbi Aharon Yeshayah Blau, shlit”a, author of Mar’eh Ish . * Interesting letter handwritten and signed by the gaon Rabbi Chanoch Dov Padua, with the Rebbetzin’s signature as well. 1992. [1] leaf paper, aerogram. 29.5 cm. * Lengthy letter handwritten and signed by the mashgiach Rabbi Daniel Erfreund of the Tifrach yeshivah – mussar ideas for the ten days of repentance. 1980. [1] leaf paper, written on both sides. 19.5 cm. * Lengthy letter handwritten and signed by the mussar personality Chaim Zeitchik – mussar ideas. Paris, 1975. [1] leaf paper, aerogram, written on both sides. 28 cm. * Two letters handwritten and signed by the gaon Rabbi David Kahn, one of the most prominent poskim in the United States – response to comments in his sefer . 1992. [2] leaves of paper, 26.5 cm. * Lengthy letter handwritten and signed by the gaon Rabbi Zvi Schechter, one of the most prominent poskim in the United States – comments on the sefer Mar’eh Ish . 1974. [1] leaf paper, aerogram, written on both sides. 29.5 cm. * Letter from the gaon and Kabbalist Rabbi Moshe Luria, a prominent Slonimer Chassid – comments on the sefer Mar’eh Ish . Printed letter with his signature. 1974. [1] leaf paper, 33 cm. * Letter handwritten and signed by the mashgiach Rabbi Avraham Salomon, mashgiach of the Chevron yeshivah – thank-you for receipt of the sefer, Mar’eh Ish . 1974. [1] leaf paper, 21 cm. * Letter handwritten and signed by the gaon Rabbi Yitzchak Katz, a prominent Torah scholar from Petach Tikvah – thank-you for receipt of the sefer, Mar’eh Ish . 1977. [1] leaf paper, 20 cm. * Letter handwritten and signed by the mashgiach Rabbi Shmaryah Dardak, renowned Torah scholar and close associate of the Steipler’s – thank-you for receipt of the sefer, Mar’eh Ish . 1974. [1] leaf paper, 22.5 cm. * Letter from the Kaminetz yeshivah with a signature by Rabbi Avraham Chaim Pincus, father of the gaon Rabbi Shimshon Dovid Pincus – thank-you for the donation to his yeshivah. 1976. [1] leaf paper, 28 cm. * Letter handwritten and signed by Rabbi Betzalel Zolty – warm blessings for Passover. 1971. [1] leaf paper, 28 cm. * Letter handwritten and signed by the gaon Rabbi Yitzchak Isaac HaLevi Herzog, chief rabbi of the Land of Israel – receipt for a donation towards the printing of Rabbi Yechiel Michel Tukachinshy’s sefer . 1942. [1] leaf paper, 20.5 cm. * Letter handwritten and signed by the gaon Rabbi Baruch Shimon Salomon, rabbi of Petch Tikvah – Mazal Tov blessings on the occasion of Rabbi Blau’s son’s wedding. 1998. [1] leaf paper, 24.5 cm. * Two inheritance orders, with signatures of the dayanim from Jerusalem’s rabbinic court, including Rabbi Eliezer Yehudah Waldenberg, and more. 1976-1986. [2] leaves paper, 30 cm. Various conditions. Overall fine condition. Tiny tears and aging stains in several letters.