Correspondence, research notes, literary drafts, scrapbooks, playbills, and photos, relating to Moses' career. Includes correspondence and research notes relating to Margaret Anglin, Sir James Matthew Barrie, Phillip Barry, Ethel Barrymore, Sarah Bernhardt, Billie Burke, Heinrich Conrad, Owen Davis, John Drinkwater, Edwin Forrest, James A. Herne, Henrik Ibsen, Sir Rabindranath Tagore, and other playwrights and actors prominent in the 19th and early 20th centuries; Moses' work as a reader for Thomas Y. Crowell Company and for Little, Brown and Company; and to the Ballet Russe, little theaters, entertaining troops at U.S. Army camps during World War I, Authors Club of New York, City College of New York, and Drama League of America. Correspondents include Winthrop Ames, Margaret Anglin, David Belasco, Henry Adams Bellows, May Friend Bennet, William Frederick Bigelow, Abbie Faarwell Brown, Richard Eugene Burton, Royal Jenkins Davis, William Crowell Edgar, John Erskine, William Clyde Fitch, Daniel Frohman, Hanniabal Hamlin Garland, Norman Bell Geddes, Harley Granville Granville-Barker, Hilary Abner Herbert, Hamilton Holt, Roland Holt, Henry Arthur Jones, Charles Rann Kennedy and his wife, Edith Wynne Matthison, Percy Mackaye, James Brander Matthews, Langdon Elwyn Mitchell, Arthur Huntington Nason, Eugene Gladstone O'Neill, Charles Fulton Cursler, William Lyon Phelps, Elmer Rice, Charles William Taussig, Augustus Thomas, Carl Van Doren, Eugene Walter, Kate Douglas (Smith) Wiggin, Percival Wilde, and Starke Young.