TY - BOOK AU - Allen,Frederick Lewis TI - The big change: America transforms itself, 1900-1950 U1 - 973.91 PY - 1952/// CY - New York PB - Harper & Brothers KW - National characteristics, American KW - United States KW - Social conditions KW - Economic conditions N1 - Includes bibliographical reference and index N2 - A survey of major changes in American life and ideas during the first half of the twentieth century, focusing on economic expansion and its influence on the American standard of living, thinking, and citizenship ER -