Perspectives on a troubled decade : science, philosophy, and religion, 1939-1949 ; tenth symposium / Edited by Lyman Bryson, Louis Finkelstein [and] R. M. MacIver. Conference on Science, Philosophy and Religion in Their Relation to the Democratic Way of Life (10th :, 1949 : Columbia University) MacIver, R. M. (Robert Morrison), 1882-1970, ed. Bryson, Lyman, 1888-1959, ed. Finkelstein, Louis, 1895-, ed. Civilization, Modern 20th century Congresses. Civilization Philosophy Congresses. CB425 .C57 1949 909 PER Includes bibliographical references. New York : Distributed by Harper, 1950. 1950. 1950 Text xvii, 901 p. : eng