- 1861 to 18649
- 1865 to 18696
- 1870 to 18743
- 1875 to 18792
- 1880 to 18841
- 1885 to 18891
- 1890 to 18941
- 1895 to 18991
- 1900 to 19041
- 1905 to 19091
- 1910 to 19140
- 1915 to 19182
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