An important collection [in a binder] containing some 126 Rabbinic letters dedications and signatures. Among them: Signed Rabbinic letters printed by stencil, endpapers detached from books with dozens of signed Rabbinic and personal dedications, letters from Rabbis requesting approbations for their books [with proofs, in an attempt to persuade the recipient that the book is indeed deserving of an approbation], Rabbinic signatures and autographs, among them: Signature of Rabbi Shalom Schwadron, Rabbi Nissim Karelitz, Rabbi Shmuel Hominer, signature of Rabbi Avraham Zelnik, ownership inscription of Rabbi Binyamin Atlas, Rabbi Natan Zvi Friedman, ownership inscription of Rabbi Shlomo Zalman Ullman, Rabbi Avraham Yitzchak Klein, Rabbi Eliezer Mishkovsky and dozens more Rabbinic letters and signatures. The collection has not been thoroughly checked. Sizes and conditions vary, very fine overall condition.