Economic opportunity and white American fertility ratios 1800 -1860
Forster, Colin Tucker, G S L
Economic opportunity and white American fertility ratios 1800 -1860 - New Haven Yale university press 1972 - ix,121p.; 22cm.
300014783
Fertility - United States
Economic opportunity and white American fertility ratios 1800 -1860 - New Haven Yale university press 1972 - ix,121p.; 22cm.
300014783
Fertility - United States