TY  - BOOK
AU  - Thernstrom,Stephan
TI  - Poverty and progress: social mobility in a nineteenth century city 
PY  - 1974///
CY  - New York
PB  - Atheneum
KW  - City and town life--United States--History--19th century
KW  - Social mobility--United States--History--19th century
KW  - Newburyport (Mass.)--Social conditions
ER  -