Butler, Richard, 1918-1988. The life and world of George Santayana. [electronic resource] . — Chicago, : H. Regnery Co., [1960]. — 205 p. 28 cm. LCCN: 60007924 Subjects--Personal Names: Santayana, George, 1863-1952. Santayana, George (1863-1952). LC Class. No.: B945.S24 / B78 Dewey Class. No.: 191 B