- 1848 to 1849931
- 1850 to 18511,045
- 1852 to 18531,039
- 1854 to 18551,044
- 1856 to 18571,111
- 1858 to 18591,180
- 1860 to 18612,243
- 1862 to 18632,110
- 1864 to 18652,149
- 1866 to 18671,881
- 18681,568
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