- 19862,642
- 19873,190
- 19881,904
- 19891,727
- 19901,283
- 19911,307
- 19921,166
- 19931,517
- 19941,994
- 19952,257
- 19961,730
- 19971,440
- 19981,317
- 19991,291
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