Sibley, Mulford Quickert. Conscription of conscience : the American state and the conscientious objector, 1940-1947 / by Mulford Q. Sibley and Philip E. Jacob. - Ithaca : Cornell University Press, c1952. - x, 580 p. ; 24 cm. Include lndex Subjects--Topical Terms: Conscientious objectors--United States. Dewey Class. No.: 355.22 / SIC 1952