Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
809
Directory of Open Access Journals: DOAJ Articles
32
Unknown
29
WikiBooks - Open-content textbooks
29
PubMed Central (PMC)
21
LeibnizOpen (The Leibniz Association)
19
University of Lethbridge Digitized Collections
19
RePEc (Research Papers in Economics)
11
Theses Canada/Thèses Canada (Library and Archives Canada)
10
University of British Columbia: cIRcle - UBC's Information Repository
10
Hathi Trust Digital Library
9
University of Calgary Journal Hosting
9
Borealis
8
SFU Digitized Collections (Simon Fraser University)
7
Wiley Online Library
7
Cambridge University Press (via Crossref)
6
University of Michigan: Digital Collections
6
VIURRSpace (Royal Roads University and Vancouver Island University)
6
Canadian Science Publishing (via Crossref)
5
Memorial University of Newfoundland: Research Repository
5
NOAA NCEI Environmental Data Archive (via DataONE)
5
Arca (BC's Digital Treasures)
4
David Rumsey Historical Map Collection (Cartography Associates)
4
MSpace at the University of Manitoba
4
Schulich Scholars (Schulich School of Law, Dalhousie University)
4
The University of Western Ontario: Scholarship@Western
4
York University Toronto, Osgoode Hall Law School: Osgoode Digital Commons
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
CDC Stacks (Centers for Disease Control and Prevention)
3
Cambridge University Press
3
Institut national de la recherche scientifique, Québec: Espace INRS
3
National Research Council Canada: NRC Publications Archive
3
North-West University, South Africa: Boloka (NWU-IR)
3
Pensoft Publishers
3
Springer Nature (via Crossref)
3
University of Saskatchewan: eCommons@USASK
3
University of Toronto: Research Repository T-Space
3
Vancouver Island University: Viuspace
3
York University Digital Library
3
Zenodo
3
uO Research (University of Ottawa - uOttawa)
3
BioMed Central
2
BioOne Online Journals
2
Dalhousie University: DalSpace Institutional Repository
2
Dryad Digital Repository (Duke University)
2
HRB National Drugs Library (Health Research Board)
2
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
2
Queen's University, Ontario: QSpace
2
Scientific Periodicals of Ukraine (Ukrainian Research and Academic Network)
2
TRUSpace - Thompson Rivers University
2
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