(Blankfort, Michael Collection.) | Letters. | (Roosevelt, Theodore Collection.) | TLS from T. Roosevelt, Dec. 26, 1906 (Washington, D.C.), 1 p. | (Briggs, Asa Collection.) | ALS, Oct. 14, 1963. | (Briggs, Asa Collection.) | TLS, Jan. 30, 1967. 2 ALS, 1977. | (O'Connor, Frank Collection.) | Letter. | (Ross, Herbert and Nora Kaye Collection.) | Photoswith Herbert Ross, Billy Wilder, and Walter Matthau. | (Swope, Herbert B. Collection.) | Correspondence, 1936-1937. | (Waugh, Alec Collection.) | TLS, Sept. 11, 1979. | (Ascoli, Max Collection.) | Letter. | (Whyte, Lancelot Law Collection.) | Letters. | |