Content Provider
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BioOne Online Journals
6
Cambridge University Press (via Crossref)
6
Carleton University's Institutional Repository
6
David Rumsey Historical Map Collection (Cartography Associates)
6
Defense Technical Information Center: DTIC Technical Reports database
6
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
6
Imperial College London: Spiral
6
Natural Environment Research Council: NERC Open Research Archive
6
Queen's University, Ontario: QSpace
6
University of Windsor, Ontario: Scholarship at UWindsor
6
University of the Pacific, McGeorge School of Law: Scholarly Commons
6
University of the Pacific: Scholarly Commons
6
APS Digital Library (American Philosophical Society)
5
Arca (BC's Digital Treasures)
5
Arctic Institute of North America
5
Borealis
5
Durham University: Durham Research Online
5
Florida Online Journals (FloridaOJ)
5
Informa
5
MDPI Open Access Publishing
5
Michigan Technological University: Digital Commons @ Michigan Tech
5
OSKAR Bordeaux (Open Science Knowledge ARchive)
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
5
PANGAEA - Data Publisher for Earth & Environmental Science
5
RePEc (Research Papers in Economics)
5
The Online Books Page (Penn Libraries, University of Pennsylvania)
5
The University of Western Ontario: Scholarship@Western
5
University of Minnesota Digital Conservancy
5
University of Tromsø: Septentrio Academic Publishing
5
W&M ScholarWorks
5
uO Research (University of Ottawa - uOttawa)
5
Aarhus University: Research
4
Frontiers: Figshare
4
Indiana University Libraries Digital Projects & Services
4
Indiana University: Digital Library of the Commons (DLC)
4
National Research Council Canada: NRC Publications Archive
4
Oxford University Press (via Crossref)
4
SAGE Publications (via Crossref)
4
USGS Science Data Catalog (via DataONE)
4
University of New Hampshire: Scholars Repository
4
University of Victoria (Canada): UVicDSpace
4
Wellcome Trust, London: Wellcome Images
4
AAAS Resource Center (American Association for the Advancement of Science)
3
Archive Ouverte de l'Université Rennes (HAL)
3
Cardiff University: ORCA (Online Research @ Cardiff)
3
DataCite
3
Digital.CSIC (Spanish National Research Council)
3
HELDA – University of Helsinki Open Repository
3
Harvard University: DASH - Digital Access to Scholarship at Harvard
3
Le Mans Université: Archives Ouvertes (HAL)
3
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