- 2002 to 20037
- 2004 to 20053
- 2006 to 200710
- 2008 to 200913
- 2010 to 201132
- 2012 to 201321
- 2014 to 20157
- 2016 to 20177
- 20183
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