Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
738
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
90
NOAA NCEI Environmental Data Archive (via DataONE)
45
University of Lethbridge Digitized Collections
38
The University of Utah: J. Willard Marriott Digital Library
27
Arctic Data Center (via DataONE)
19
North Dakota State University (NDSU): Digital Horizons
18
Research Data Australia (Australian National Data Service - ANDS)
15
Unknown
11
Washington State University: WSU Libraries Digital Collections
10
University of Washington, Seattle: Digital Collections
8
DataCite
7
Loyola University Chicago Digital Special Collections
6
Ohio State University (OSU): Knowledge Bank
6
UTSA Digital Collections (The University of Texas at San Antonio)
6
University of Nebraska-Lincoln: DigitalCommons@UNL
6
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
5
Gulf of Alaska Data Portal (via DataONE)
5
Knowledge Network for Biocomplexity (via DataONE)
5
Norwich University Archives and Special Collections
5
Directory of Open Access Journals: DOAJ Articles
4
Hunter Library Digital Collections (Western Carolina University)
4
Open Parks Network
4
University of Alaska: ScholarWorks@UA
4
University of Otago: Research Archive (OUR Archive)
4
Cambridge University Press
3
Digital.CSIC (Spanish National Research Council)
3
HighWire Press (Stanford University)
3
The University of Adelaide: Digital Library
3
The University of Dublin, Trinity College: TARA (Trinity's Access to Research Archive)
3
Volunteer Voices - Tennessee Electronic Library, The University of Tennessee,
3
Zenodo
3
Aarhus University: Research
2
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
2
Digital Commons @ TRU Library (Thompson Rivers University)
2
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
2
GettDigital (Gettysburg College Digital Collections)
2
IEDA: EarthChem Library (via DataONE)
2
Natural Environment Research Council: NERC Open Research Archive
2
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
2
Tennessee Virtual Archive (TeVA - Tennessee State Library and Archives)
2
The Library of Congress: American Memory
2
The University of Texas at Austin: Texas ScholarWorks
2
USRA Houston Repository (Universities Space Research Association)
2
University of Arkansas: Digital Collections
2
University of British Columbia: cIRcle - UBC's Information Repository
2
University of Calgary Journal Hosting
2
VIURRSpace (Royal Roads University and Vancouver Island University)
2
Wiley Online Library
2
the Digital Archaeological Record (via DataONE)
2
more ...