- 1792 to 17992
- 1800 to 18198
- 1820 to 183923
- 1840 to 185957
- 1860 to 187985
- 1880 to 189991
- 1900 to 191996
- 1920 to 193973
- 1940 to 195999
- 1960 to 197118
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