- 1845 to 18492
- 1850 to 18542
- 1855 to 18592
- 1860 to 18642
- 1865 to 18692
- 1870 to 18742
- 1875 to 18792
- 1880 to 18842
- 18852
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