Content Provider
University of Washington, Seattle: Digital Collections
624
Arctic Data Center (via DataONE)
99
USGS Science Data Catalog (via DataONE)
32
University of the Pacific, McGeorge School of Law: Scholarly Commons
17
University of the Pacific: Scholarly Commons
16
DataCite Metadata Store (German National Library of Science and Technology)
11
University of Michigan: Digital Collections
7
University of Alaska: ScholarWorks@UA
6
David Rumsey Historical Map Collection (Cartography Associates)
4
NOAA NCEI Environmental Data Archive (via DataONE)
4
University of Calgary Journal Hosting
4
University of North Texas: UNT Digital Library
4
Unknown
4
Caltech Authors (California Institute of Technology)
3
Knowledge Network for Biocomplexity (via DataONE)
3
NASA Technical Reports Server (NTRS)
3
University of Texas at El Paso: Digital Commons@UTEP
3
Washington State University: WSU Libraries Digital Collections
3
Biodiversity Heritage Library (BHL)
2
Cambridge University Press
2
Directory of Open Access Journals: DOAJ Articles
2
Frontiers: Figshare
2
Syracuse University Research Facility And Collaborative Environment (SUrface)
2
The University of Chicago Library: Digital Collections
2
The University of Utah: J. Willard Marriott Digital Library
2
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
2
Canadian Science Publishing (via Crossref)
1
Carleton College: Digital Commons
1
Durham University: Durham Research Online
1
Northern Illinois University (NIU): Huskie Commons Repository
1
Portland State University: PDXScholar
1
RERO DOC Digital Library
1
Rice University: Digital Scholarship Archive
1
Smithsonian Institution: Figshare
1
Swansea University: Cronfa
1
The University of Kansas: KU ScholarWorks
1
The University of Maine: DigitalCommons@UMaine
1
The University of Texas at Austin: Texas ScholarWorks
1
UNM Digital Repository (The University of New Mexico)
1
University of British Columbia: cIRcle - UBC's Information Repository
1
University of Florida: Digital Library Center
1
University of Glasgow: Enlighten - Publications
1
University of Minnesota Digital Conservancy
1
VTechWorks (VirginiaTech)
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
Wiley Online Library
1
Wiley Online Library (via Crossref)
1
Zenodo
1
the Digital Archaeological Record (via DataONE)
1