- 1764 to 176991
- 1770 to 1779151
- 1780 to 1789214
- 1790 to 1799385
- 1800 to 1809502
- 1810 to 1819582
- 1820 to 1829583
- 1830 to 18391,039
- 1840 to 18491,997
- 1850 to 18592,023
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