- 1822 to 18399
- 1840 to 18597
- 1860 to 187913
- 1880 to 189932
- 1900 to 191921
- 1920 to 19399
- 1940 to 19597
- 1960 to 19790
- 19801
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