- 1880 to 18897
- 1890 to 18994
- 1900 to 19094
- 1910 to 19194
- 1920 to 192911
- 1930 to 193910
- 1940 to 194917
- 1950 to 195915
- 1960 to 19691
- 1970 to 19795
- 1980 to 19899
- 1990 to 19995
- 20001
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