- 1760 to 1769115
- 1770 to 1779175
- 1780 to 1789232
- 1790 to 1799401
- 1800 to 1809547
- 1810 to 1819676
- 1820 to 1829678
- 1830 to 18391,121
- 1840 to 18492,057
- 1850 to 18581,892
The preservation of the Duke University Libraries Digital Collections and the Duke Digital Repository programs are supported in part by the Lowell and Eileen Aptman Digital Preservation Fund