- 1800 to 1801 175
- 1802 to 1804 237
- 1805 to 1806 195
- 1807 to 1809 219
- 1810 to 1811 205
- 1812 to 1814 284
- 1815 to 1816 190
- 1817 to 1819 244
- 1820 to 1821 220
- 1822 to 1822 203
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