The Leo Stein Collection contains manuscripts of writings by Stein, letters from such persons as: Bernard Berenson, Mabel Dodge Luhan and Maurice Sterne, personal papers, photographs, and artworks (mainly by Stein), which document the life of Leo Stein, an artist and writer. Many letters to Leo Stein for the period before 1913 can be found in the Gertrude Stein and Alice B. Toklas Papers, YCAL MSS 76, also owned by the Beinecke Rare Book and Manuscript Library.