- 1850 to 185410
- 1855 to 185912
- 1860 to 186415
- 1865 to 18699
- 1870 to 18748
- 1875 to 18798
- 1880 to 18845
- 1885 to 18895
- 1890 to 18943
- 1895 to 18992
- 1900 to 19040
- 1905 to 19092
- 19101
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