Proceedings of the international congress on population and world resources in relation to the family, August 1948, Cheltenham, England. - London : H.K. Lewis & Co. , 1948 - xviii, 246p. : ill. ; 22 cm. Includes bibliographical references. Subjects--Topical Terms: PopulationConferencesBirth Control Dewey Class. No.: 312.01 / FPA-2