- 1849831
- 1850 to 18511,051
- 1852 to 18531,045
- 1854 to 18551,050
- 1856 to 18571,119
- 1858 to 18591,189
- 1860 to 18612,254
- 1862 to 18632,124
- 18641,901
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