- 1809 to 1809 171
- 1810 to 1814 367
- 1815 to 1819 320
- 1820 to 1824 404
- 1825 to 1829 381
- 1830 to 1834 503
- 1835 to 1839 852
- 1840 to 1844 1,544
- 1845 to 1847 867
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