Brief Description: The collection consists of manuscripts of published and unpublished works in Yiddish, Hebrew and English. Authors include: Hirsz Abramowicz, Ephraim Auerbach, Y.D. Berkowitz, Menahem Boraisha, Reuben Brainin, Marc Chagall, Simon Dubnow, Abraham Duker, Ossip Dymow, Saul Ginsburg, Rudolf Glanz, Aaron Glanz-Leieles, Jacob Glatstein, Ben Zion Goldberg, Nachum Goldmann, Chaim Grade, Peretz Hirschbein, Reuben Iceland, Naftali Herz Imber, Malka Lee, Leibush Lehrer, Jacob Lestschinsky, Mani Leib, Shmuel Niger, Mendel Osherowitch, Emanuel Ringelblum, Maurice Schwartz, Isaac Bashevis Singer, Israel Joshua Singer, Nahum Sokolow, Yehiel Yeshaia Trunk, Max Weinreich, Mark Wischnitzer, Blank, Yehoash, Wolf Younin, Chaim Zhitlowsky.