Correspondence, manuscripts, note cards, and printed material of Selsam. Correspondents include Justice Hugo Black, W.E.B. Dubois, Waldo Frank, Rockwell Kent, and Corliss Lamont. The collection contains several manuscript and proof materials for several of Selsam's books and numerous periodical articles, as well as note cards on philosophers and philosophies. Also, a subject file of Selsam's notes and areas of interest, and assorted printed and biographical material.