- 1852 to 18531,056
- 1854 to 18551,063
- 1856 to 18571,131
- 1858 to 18591,201
- 1860 to 18612,299
- 1862 to 18632,161
- 1864 to 18652,193
- 18661,741
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