Contemporary sociological theories / Pitirim A. Sorokin Sorokin, Pitirim Aleksandrovich 1889-1968. Sociology. HM19 .S6 Microfilm 54217 HM 309.1 SOC Includes bibliographical references and index. New York and London : Harper & brothers; 1928. 1928. 1928 Text xxiii, 785 p. : eng Harper's social science series ;