- 1831 to 1834509
- 1835 to 1839897
- 1840 to 18441,607
- 1845 to 18491,150
- 1850 to 18541,406
- 1855 to 18591,517
- 1860 to 18643,312
- 18651,853
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