Srecitat COLLECTIONS Wile, Ira Solomon, 1877- ed. #8CP The sex life of the unmarried adult; an in- 252 quiry into and an interpretation of current 0969 sex practices. New York, Vanguard Press, 1934. 320 pv. 22cm. "References": p. 307-320. CONTENTS: --Introduction, by Ira S. Wile.-- Anthropology, by Margaret Mead.—-Biology, by N. W. Ingalls.--Psychology, by Ernest R, Grovese --Sociology, by Ernest W. Burgess.--Economics, (Continued e next card)