Papers include correspondence, photographs, writings and other materials by or relating to Allen Tanner, and particularly concerning his relationship with Pavel Tchelitchew. Correspondence consists of letters to Tanner, among them letters from René Crevel, Pavel Tchelitchew, Virgil Thomson, and Alexandra Zaoussailoff. Also included are several letters from Tanner to John Torson, and one letter from Lincoln Kirstein and one brief postcard from Edith Sitwell, both to Tchelitchew. Writings include holographs and typescripts by Tanner and unidentified writers, generally concerning Tchelitchew, as well as Tanner's life in the 1920's in New York and Paris. Among the photographs are pictures of Tanner and Tchelitchew. Additional materials includes printed items and other materials primarily concerning Tanner and Tchelitchew.