- 1764 to 176992
- 1770 to 1779152
- 1780 to 1789216
- 1790 to 1799387
- 1800 to 1809504
- 1810 to 1819584
- 1820 to 1829586
- 1830 to 18391,041
- 1840 to 18492,004
- 1850 to 18592,030
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