Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,258
University of Lethbridge Digitized Collections
73
North Dakota State University (NDSU): Digital Horizons
39
Hunter Library Digital Collections (Western Carolina University)
29
Directory of Open Access Journals: DOAJ Articles
22
Unknown
16
Cambridge University Press
9
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
9
UTSA Digital Collections (The University of Texas at San Antonio)
9
Hirsla - Landspítali University Hospital research archive
8
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
8
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
8
The University of Utah: J. Willard Marriott Digital Library
8
Skemman (Iceland)
6
Arctic Data Center (via DataONE)
5
Institute for Marine Research: Brage IMR
5
PubMed Central (PMC)
5
Biodiversity Heritage Library (BHL)
4
HighWire Press (Stanford University)
4
Jultika - University of Oulu repository
4
Research Data Australia (Australian National Data Service - ANDS)
4
University of Alaska: ScholarWorks@UA
4
Washington State University: WSU Libraries Digital Collections
4
Colecciones digitales - Biblioteca Virtual del Banco de la República
3
DataCite
3
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
3
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
3
Leodis - a photographic archive of Leeds (Leeds Library and Information Service)
3
Portal of Scientific Journals at Shahid Beheshti University of Medical Science
3
Repozytorium Uniwersytetu w Białymstoku (RUB)
3
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
3
University of Nebraska-Lincoln: DigitalCommons@UNL
3
University of Otago: Research Archive (OUR Archive)
3
University of Tromsø: Munin Open Research Archive
3
University of Washington, Seattle: Digital Collections
3
Wiley Online Library
3
Altai State University: Scientific Journals of ASU
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Dove Medical Press
2
Hathi Trust Digital Library
2
Hrčak - Portal of scientific journals of Croatia
2
Luleå University of Technology Publications (DiVA)
2
Magnolia press
2
Naval Postgraduate School: Calhoun
2
PALNI Digital Library Collections (Private Academic Library Network of Indiana)
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
Saint Louis University Libraries Digital Collections
2
University of Calgary Journal Hosting
2
University of Iceland: Peer Reviewed Journals
2
University of St Andrews: Research Portal
2
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