- 1930 to 19311
- 1932 to 19331
- 1934 to 19351
- 1936 to 19371
- 1938 to 19391
- 1940 to 19410
- 1942 to 19430
- 1944 to 19450
- 1946 to 19470
- 1948 to 19490
- 19501
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