The collection consists of correspondence, including letters from such notables as Herbert Hoover, H.L. Mencken, Billy Rose, and Walter Winchell. Also included are the manuscripts of his books, copies of the "Seen and Heard" columns and his other publications, newspaper clippings, and photographs. Some correspondents include Samuel Hopkins Adams, Louise Brooks, Carl Carmer, Jacob Robert Cominsky, Eva Gabor, Frank Gannett, Herbert Hoover, J. Edgar Hoover, Beatrice Kaufman, Claire Boothe Luce, Jerre Mangione, Irene Castle Mc Laughlin, Henry Lewis Mencken, Frank Sullivan, Booth Tarkington, Gene Tunney, Walter Winchell.