Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
6
Claremont Colleges Digital Library (CCDL)
3
Digital Repository of the University of Hawaii at Manoa
3
University of Miami: Digital Collections
2
AU Digital Research Archive (American University)
1
The Library of Congress: American Memory
1
University of British Columbia: cIRcle - UBC's Information Repository
1