- 1766 to 1769 73
- 1770 to 1779 137
- 1780 to 1789 184
- 1790 to 1799 354
- 1800 to 1809 453
- 1810 to 1819 529
- 1820 to 1829 519
- 1830 to 1839 968
- 1840 to 1845 1,558
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