- 1766 to 1769 71
- 1770 to 1779 136
- 1780 to 1789 181
- 1790 to 1799 348
- 1800 to 1809 441
- 1810 to 1819 515
- 1820 to 1829 499
- 1830 to 1839 935
- 1840 to 1845 1,517
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