- 1764 to 176993
- 1770 to 1779158
- 1780 to 1789224
- 1790 to 1799396
- 1800 to 1809542
- 1810 to 1819636
- 1820 to 1829610
- 1830 to 18391,044
- 1840 to 18492,009
- 1850 to 18592,037
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