Reviews

Abstract

The Nation's Food: A Statistical Study of a Physiological and Social Problem. By Raymond Pearl, Ph.D., Sc.D., LL.D. Philadelphia and London, W. B. Saunders Company, 1920. Pp. 274. Reviewed by George K. Holmes Direct and Indirect Costs of the Great World War. By Ernest L. Bogart, Professor of Economics, University of Illinois. Carnegie Endowment for International Peace, Preliminary Economic Studies of the War, No. 24. New York, Oxford University Press, 1919. Pp. ix, 338. Reviewed by Fred Rogers Fairchild American-Canadian Mortality Investigation , based on the experience of the United States and Canada during the years 1900 to 1915 inclusive, on policies issued from 1843 to 1914 inclusive. New York, The Actuarial Society of America, Volume I, 1918. Pp. 378. Volume II, 1919. Pp. 139. Reviewed by Robert Henderson An Index Number for State School Systems , by Leonard P. Ayres. New York, Russell Sage Foundation, 1920. Pp. 70. Reviewed by David E. Weglein Some Dangers in Establishing a Pension System and the Proper Precautions , by Edward L. Dodd. (University of Texas Bulletin, No. 1905.) 1919. Pp. 1 to 26. Reviewed by I. S. Adlerblum