Our changing social order / Ruth Wood Gavian, A. A. Gray and Ernest R. Groves. Gavian, Ruth Wood, 1903- Gray, A. A. (Arthur Amos), 1885- joint author. Groves, Ernest Rutherford, 1878-1946. joint author. Sociology. HM55 .G3 1947 301 GAO "Other books to read" at end of each chapter. Includes bibliographical references and indexes. Boston : D. C. Heath, c1947. c1947. 1947 Text viii, 616 p. : eng