- 1840 to 1849131
- 1850 to 1859142
- 1860 to 1869195
- 1870 to 1879171
- 1880 to 1889160
- 1890 to 1899106
- 1900 to 1909100
- 1910 to 1919114
- 1920 to 192922
- 1930 to 193927
- 1940 to 194928
- 1950 to 195442
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