- 1820 to 18293
- 1830 to 18394
- 1840 to 18493
- 1850 to 18598
- 1860 to 186914
- 1870 to 18797
- 1880 to 188923
- 1890 to 189915
- 1900 to 190921
- 1910 to 19198
- 1920 to 19297
- 1930 to 19399
- 1940 to 19421
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