- 19881,910
- 19891,735
- 19901,301
- 19911,326
- 19921,188
- 19931,538
- 19942,023
- 19952,281
- 19961,765
- 19971,465
- 19981,337
- 19991,304
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