Content Provider
Unknown
1,174
Copernicus Publications: E-Journals
841
PubMed Central (PMC)
603
DataCite Metadata Store (German National Library of Science and Technology)
140
MDPI Open Access Publishing
136
DataCite
127
eCite UTAS (University of Tasmania)
117
HighWire Press (Stanford University)
101
IRD (Institute de recherche pour le développement): Horizon
86
Defense Technical Information Center: DTIC Technical Reports database
76
Natural Environment Research Council: NERC Open Research Archive
31
University of Florida: Digital Library Center
25
Hathi Trust Digital Library
21
Florida State University Digital Library (FSUDL)
15
Florida State University: DigiNole Commons
14
W&M ScholarWorks
14
BioOne Online Journals
13
University of Rhode Island: DigitalCommons@URI
12
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
9
University of Southampton: e-Prints Soton
9
Institutional Knowledge (InK) at Singapore Management University
5
University of Nebraska-Lincoln: DigitalCommons@UNL
5
Dalhousie University: DalSpace Institutional Repository
4
Knowledge@UChicago (University of Chicago)
4
University of South Carolina Libraries: Scholar Commons
4
University of Vienna: Phaidra
4
AgEcon Search - Research in Agricultural & Applied Economics
3
Berkeley Law (University of California, Berkeley)
3
Digital Collections of Colorado (Colorado State University)
3
Mountain Scholar (Digital Collections of Colorado and Wyoming)
3
DataCat: The Research Data Catalogue (University of Liverpool)
2
LSU Digital Commons (Louisiana State University)
2
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
2
Rhodes University Cory: Repository
2
SEALS Digital Commons (South East Academic Libraries System, South Africa)
2
The University of Utah: J. Willard Marriott Digital Library
2
University of Central Florida (UCF): STARS (Showcase of Text, Archives, Research & Scholarship)
2
University of Gothenburg: GUPEA (Gothenburg University Publications Electronic Archive)
2
University of Michigan: Digital Collections
2
Arizona State University: ASU Digital Repository
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
1
Brigham Young University (BYU): ScholarsArchive
1
Cologne University: KUPS
1
Comptes Rendus Biologies Académie des sciences
1
Comptes Rendus Géoscience Académie des sciences (E-Journal)
1
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
1
Edith Cowan University (ECU, Australia): Research Online
1
FAU Digital Collections (Florida Atlantic University Digital Library)
1
Florida State University: Publication of Archival Library & Museum Materials
1
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