- 1843 to 1844530
- 1845 to 1846455
- 1847 to 1849503
- 1850 to 1851416
- 1852 to 1854417
- 1855 to 1856368
- 1857 to 1859461
- 1860 to 1861651
- 1862 to 1864516
- 1865 to 1866639
- 1867 to 1868524
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