- 19881,883
- 19891,716
- 19901,272
- 19911,295
- 19921,155
- 19931,505
- 19941,979
- 19952,246
- 19961,717
- 19971,384
- 19981,261
- 19991,228
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