- 1764 to 176994
- 1770 to 1779162
- 1780 to 1789225
- 1790 to 1799397
- 1800 to 1809545
- 1810 to 1819638
- 1820 to 1829613
- 1830 to 18391,076
- 1840 to 18492,012
- 1850 to 18592,044
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