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(1930) Race and Population Problems. By H. D. Duncan. Published by Longmans, Green & Co., New York. 1929. Pp. 424. Man and Social Achievement (An Introduction to Social Evolution). By D. C. Babcock. Published by Longmans, Green & Co., New York. 1929. Pp. 546. Rural Sociology. By A. W. Hayes. Published by Longmans, Green & Co., New York. 1929. Pp. 598.. Psychoanalytic Review 17:89-92