Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
122
Purdue University: e-Pubs
7
WikiBooks - Open-content textbooks
6
PubMed Central (PMC)
4
USGS Science Data Catalog (via DataONE)
4
Unknown
4
Borealis
3
Directory of Open Access Journals: DOAJ Articles
3
University of Lethbridge Digitized Collections
3
MSpace at the University of Manitoba
2
Memorial University of Newfoundland: Electronic Journals
2
University of Calgary Journal Hosting
2
University of Florida: Digital Library Center
2
University of Toronto: Research Repository T-Space
2
Arctic Institute of North America
1
Bond University Research Portal
1
Bond University: e-publications@bond
1
Cambridge University Press (via Crossref)
1
HELDA – University of Helsinki Open Repository
1
HRB National Drugs Library (Health Research Board)
1
Hindawi Publishing Corporation
1
IEDA: EarthChem Library (via DataONE)
1
Magnolia press
1
Memorial University of Newfoundland: Research Repository
1
Research Data Australia (Australian National Data Service - ANDS)
1
Saint Mary's University, Halifax: Institutional Repository
1
Seattle University School of Law: Digital Commons
1
The University of Western Ontario: Scholarship@Western
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
University of Tromsø: Septentrio Academic Publishing
1
University of Waterloo, Canada: Institutional Repository
1
Western Libraries OJS
1
Wiley Online Library
1
Wilfrid Laurier University, Ontario: Scholars Commons@Laurier
1
Zenodo
1
Érudit - Dépôt de documents
1