- 1850 to 18544
- 1855 to 18592
- 1860 to 18649
- 1865 to 18699
- 1870 to 18741
- 1875 to 18792
- 1880 to 18840
- 1885 to 18891
- 1890 to 18940
- 1895 to 18990
- 1900 to 19042
- 1905 to 19091
- 1910 to 19142
- 1915 to 19194
- 19201
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