Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
480
University of Lethbridge Digitized Collections
28
Zenodo
24
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
16
Hunter Library Digital Collections (Western Carolina University)
14
The University of Utah: J. Willard Marriott Digital Library
14
HighWire Press (Stanford University)
11
Unknown
10
North Dakota State University (NDSU): Digital Horizons
9
Institute for Marine Research: Brage IMR
7
the Digital Archaeological Record (via DataONE)
6
PALNI Digital Library Collections (Private Academic Library Network of Indiana)
3
UTSA Digital Collections (The University of Texas at San Antonio)
3
Washington State University: WSU Libraries Digital Collections
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Cambridge University Press
2
David Rumsey Historical Map Collection (Cartography Associates)
2
Digital.CSIC (Spanish National Research Council)
2
Directory of Open Access Journals: DOAJ Articles
2
Oregon Digital (University of Oregon/Oregon State University)
2
University of Nebraska-Lincoln: DigitalCommons@UNL
2
University of Washington, Seattle: Digital Collections
2
Università degli Studi di Siena: USiena air
2
ASI Research Portal (Arkansas Studies Institute Catalog)
1
Alces (A Journal Devoted to the Biology and Management of Moose)
1
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Auburn University Digital Library
1
Ball State University: Digital Media Repository
1
Biodiversity Heritage Library (BHL)
1
Brigham Young University (BYU): Digital Collections
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
Canadian Science Publishing (via Crossref)
1
Cleveland State University: EngagedScholarship@CSU
1
CyberLeninka (Scientific Electronic Library)
1
Czech Academy of Sciences: dKNAV
1
Defense Technical Information Center: DTIC Technical Reports database
1
Georgia Southern University: Digital Commons@Georgia Southern
1
Hirsla - Landspítali University Hospital research archive
1
Knowledge Network for Biocomplexity (via DataONE)
1
Loyola University Chicago Digital Special Collections
1
Oxford University Press
1
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
1
Portland Public Library: Digital Commons
1
PubMed Central (PMC)
1
Repositório Aberto da Universidade do Porto
1
SEANOE (Sea scientific open data publication)
1
SFU Library Digital Publishing (Simon Fraser University, Vancouver)
1
ScholarsArchive@OSU (Oregon State University)
1
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
1
more ...