- 1815 to 1819352
- 1820 to 1824436
- 1825 to 1829421
- 1830 to 1834542
- 1835 to 1839892
- 1840 to 18441,603
- 1845 to 18491,144
- 1850 to 18541,398
- 1855 to 18591,510
- 1860 to 18643,303
- 18651,846
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