- 1839569
- 1840 to 18411,066
- 1842 to 18431,064
- 1844 to 1845832
- 1846 to 1847819
- 1848 to 1849940
- 1850 to 18511,058
- 1852 to 18531,052
- 1854 to 18551,057
- 1856 to 18571,127
- 18581,033
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