- 1816 to 1819301
- 1820 to 1824428
- 1825 to 1829408
- 1830 to 1834533
- 1835 to 1839885
- 1840 to 18441,596
- 1845 to 18491,137
- 1850 to 18541,386
- 1855 to 18591,495
- 1860 to 18643,251
- 1865 to 18692,593
- 1870 to 18741,927
- 1875 to 18791,772
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