Brief Description: Correspondence with Raphael Abramovitch, Shalom Asch, Mendel Beilis, David Bergelson, Eduard Bernstein, Jacob Dinesohn, Theodore Dreiser, Simon Dubnow, Felix Frankfurter, Julius Gerber, Saul Ginsburg, Baruch (Boris) Glassman, Rabbi Chaim Oyzer Grodzienski, Hutchkins Hapgood, Morris Hillquit, William Dean Howells, Vladimir Jabotinsky, Alter Kacyzne, Karl Kautsky, Menahem Kipnis, Fiorello La Guardia, Algernon Lee, Jacob Lestschinsky, Herman (Chaim) Lieberman, Jean Longuet, Judah L. Magnes, H. L. Mencken, Melech Ravitch, Abraham Reisen, Zalman Reisen, Franklin D. Roosevelt, Yona Rosenfeld, Gustavo Sacerdote, Ludwig Satz, Zemach Shabad, Zalman Shneur, Upton Sinclair, Israel Joshua Singer, Norman Thomas, Boris Thomashefsky, Max Weinreich, Chaim Weizmann Morris Winchevsky, Chaim Zhitlowsky, Zalmen Zylbercweig. Manuscripts by various authors sent to the *Jewish Daily Forward*. Authors include Alter Kacyzne, Ephraim Kaganowski, Karl Kautsky, Maurycy Orzech, Joseph Rumshinsky, Zalman Shneur, Mark Wischnitzer. Notes and handwritten drafts by Cahan of stories, articles, essays, speeches. Personal documents, birthday greetings to Cahan. Letters from readers relating to the dispute between Shalom Asch and Cahan, 1941-1942. Correspondence between Shalom Asch and Jacob Dinesohn.