Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
188
Unknown
10
Memorial University of Newfoundland: Research Repository
5
Cambridge University Press
4
Directory of Open Access Journals: DOAJ Articles
3
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
3
PubMed Central (PMC)
3
Digital.CSIC (Spanish National Research Council)
2
Institute for Marine Research: Brage IMR
2
Instituto Español de Oceanografía: e-IEO
2
Skemman (Iceland)
2
University of Glasgow: Enlighten - Publications
2
WikiBooks - Open-content textbooks
2
Canadian Science Publishing
1
Educational Policy Analysis and Strategic Research (EPASR)
1
Frontiers (Publisher)
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Indiana University: Digital Library of the Commons (DLC)
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
Kew Research Repository
1
Magnolia press
1
PennState: Digital Collections
1
RURALIS - Institute for Rural and Regional Research: Ruralis Brage
1
RePEc (Research Papers in Economics)
1
Research Data Australia (Australian National Data Service - ANDS)
1
Ruralis Brage (RURALIS – Institutt for rural- og regionalforskning)
1
Temple University Digital Collections
1
The Canadian Field-Naturalist (E-Journal)
1
The Portal to Texas History (University of North Texas)
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
1
University of Calgary Journal Hosting
1
University of Tromsø: Munin Open Research Archive
1
University of Tromsø: Septentrio Academic Publishing
1
W&M ScholarWorks
1
Wiley Online Library
1
Zenodo
1