- 1822 to 1824424
- 1825 to 1829485
- 1830 to 1834585
- 1835 to 1839970
- 1840 to 18441,643
- 1845 to 18491,195
- 1850 to 18541,415
- 1855 to 18591,527
- 1860 to 18643,449
- 1865 to 18692,783
- 18701,174
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