- 1877 to 18792
- 1880 to 18892
- 1890 to 18995
- 1900 to 190911
- 1910 to 191927
- 1920 to 192936
- 1930 to 19390
- 1940 to 19490
- 1950 to 19591
- 1960 to 19693
- 1970 to 19790
- 1980 to 19890
- 1990 to 19911
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