- 1770 to 1774 103
- 1775 to 1779 121
- 1780 to 1784 146
- 1785 to 1789 165
- 1790 to 1794 245
- 1795 to 1799 247
- 1800 to 1804 328
- 1805 to 1809 315
- 1810 to 1814 375
- 1815 to 1819 331
- 1820 to 1824 413
- 1825 to 1829 390
- 1830 to 1834 513
- 1835 to 1837 650
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