Dumbarton Oaks inaugural lectures - Focillon, Henri, 1881-1943; Rostovzeff, Michael Ivanovitch, 1870-1952; Morey, Charles Rufus, 1877-1955; Koehler, Wilhelm Reinhold Walter, 1884-1959 (Dumbarton Oaks Papers, 1941)
reprinted by Johnson Reprint Corporation (New York ; London) 1967.