Brief Description: Correspondence with writers and literary figures including: Jacob Ben Ami, Benjamin Bialostotzky, Menahem Boraisha, Daniel Charney, Solomon Dingol, Aaron Glanz- Leieles, Ben Zion Goldberg, Chaim Grade, Peretz Hirschbein, Ephim Jeshurin, A.M. Klein, Louis Lamed, Leibush Lehrer, H. Leivick, Jacob Lestschinsky, Herman Lieberman, Itzik Manger, Joseph Margoshes, Berl Mark, Alexander Mukdoni, Moshe Nadir, Shmuel Niger, Melech Ravitch, Maurice Schwartz, Jacob Isaac Segal, Hillel Seidman, Lamed Shapiro, Zalman Shazar,Abraham Sutzkever, Jonas Turkow, Jacob Waislitz, Simon Weber, Zishe Weinper, Max Weinreich, Aaron Zeitlin. Manuscripts of Glatstein's poetry. Materials relating to the *In zikh* group, 1920s. Clippings of Glatstein's writings and about Glatstein.