Birth rates of the white population in the United States, 1800-1860, an economic study.
| Автор: | |
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| Формат: | Книга |
| Мова: | Англійська |
| Опубліковано: |
Baltimore
Johns Hopkins Press
c1962.
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| Серія: | The Johns Hopkins University studies in historical and political science
series 79, no. 2 |
| Предмети: |