RT Book T1 American social trends A1 Caplow, Theodore 1920-2015 LA English PP San Diego u.a. PB Harcourt Brace Jovanovich YR 1991 UL https://krimdok.uni-tuebingen.de/Record/027073068 NO Includes bibliographical references and index CN HN59.2 SN 0155025880 K1 Social Change K1 United States : Social conditions : 1945-