The collection consists primarily of the author's unpublished manuscripts and songs (set to music); printed texts of plays, short stories, essays and other literary works; material relating to several organized attempts to ban The merchant of Venice from the NYC public school curriculum; personal documents and correspondence; newspaper clippings; and other material utilized as sources for his writings. The correspondence is primarily with publishers and Emanuel Neumann and relating to Zionism in general.

It also contains a detailed record, consisting of letters, a dated handwritten account, and news clippings, of the 1927 Zionist Convention in Atlantic City, centering on an internal schism as to the competence of the Lipsky administration, as well as some follow-up material in 1928. Prominent in these papers is correspondence with Louis D. Brandeis; also represented are Henrietta Szold and Chaim Weizmann.