- 1831 to 1834544
- 1835 to 1839961
- 1840 to 18441,640
- 1845 to 18491,192
- 1850 to 18541,415
- 1855 to 18591,524
- 1860 to 18643,321
- 18651,858
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