- 1815 to 1819348
- 1820 to 1824432
- 1825 to 1829411
- 1830 to 1834536
- 1835 to 1839888
- 1840 to 18441,599
- 1845 to 18491,139
- 1850 to 18541,389
- 1855 to 18591,499
- 1860 to 18643,259
- 18651,827
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