- 1809 to 1809 174
- 1810 to 1814 370
- 1815 to 1819 323
- 1820 to 1824 407
- 1825 to 1829 384
- 1830 to 1834 506
- 1835 to 1839 855
- 1840 to 1844 1,549
- 1845 to 1847 871
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