Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
5,038
Unknown
77
Directory of Open Access Journals: DOAJ Articles
59
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
58
Florida State University Digital Library (FSUDL)
27
Florida State University: DigiNole Commons
27
University of North Texas: UNT Digital Library
23
LeibnizOpen (The Leibniz Association)
21
Research Data Australia (Australian National Data Service - ANDS)
19
Zenodo
16
UNESDOC - UNESCO Digital Library
8
Alia - Finnish Social Science Data Archive
7
Australian National University: ANU Digital Collections
7
University of Washington, Seattle: Digital Collections
7
Caltech Authors (California Institute of Technology)
6
WikiBooks - Open-content textbooks
6
The University of Queensland: UQ eSpace
5
David Rumsey Historical Map Collection (Cartography Associates)
4
National Library of Australia: Digital Collections
4
Cambridge University Press
3
Jultika - University of Oulu repository
3
PubMed Central (PMC)
3
Defense Technical Information Center: DTIC Technical Reports database
2
Edinburgh DataShare (University of Edinburgh)
2
Hunter Library Digital Collections (Western Carolina University)
2
Imperial College London: Spiral
2
Informa (via Crossref)
2
London School of Hygiene & Tropical Medicine: LSHTM Research Online
2
Loughborough University: Figshare
2
Naturalis Digital Academic Repository (National Museum of Natural History in the Netherlands)
2
Naturalis Institutional Repository
2
Norwegian School of Sport Sciences: BRAGE
2
Oxford University Press (via Crossref)
2
Repositório Aberto da Universidade do Porto
2
The Royal Society (via Crossref)
2
Umeå University: Publications (DiVA)
2
Universidade da Madeira: DigitUMa
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
University of Glasgow: Enlighten - Publications
2
University of Malta: OAR@UM
2
University of Tasmania: UTas ePrints
2
University of Tromsø: Munin Open Research Archive
2
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
2
Utrecht University Repository
2
WHO (World Health Organization): Institutional Repository for Information Sharing (IRIS)
2
Wiley Online Library
2
eCite UTAS (University of Tasmania)
2
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
1
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Aarhus University: OJS at The State and University Library
1
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