- 1890 to 18995
- 1900 to 19094
- 1910 to 19194
- 1920 to 19297
- 1930 to 19396
- 1940 to 19497
- 1950 to 19598
- 1960 to 19695
- 1970 to 19790
- 1980 to 19890
- 1990 to 19942
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