TY - BOOK AU - Allen,Frederick Lewis TI - The big change: America transforms itself, 1900-1950 T2 - Bantam matrix edition, AV - E169.1 .A4717 1961 U1 - 973.91 PY - 1961///, c1952] CY - New York PB - Bantam Books KW - National characteristics, American KW - Américains KW - United States KW - Social conditions KW - Economic conditions KW - États-Unis KW - Conditions économiques KW - Conditions sociales UR - http://www.archive.org/details/bigchangeamerica00allerich UR - http://www.openlibrary.org/books/OL24201666M ER -