Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,588
North Dakota State University (NDSU): Digital Horizons
52
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
27
Oklahoma State University: Digital Collections @ OKSTATE Library
27
University of Lethbridge Digitized Collections
20
The University of Utah: J. Willard Marriott Digital Library
19
Unknown
19
Frankfurt/Main University Library: Digitale Sammlungen
13
Cambridge University Press
10
Directory of Open Access Journals: DOAJ Articles
9
Zenodo
9
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
8
NOAA NCEI Environmental Data Archive (via DataONE)
8
OpenEdition
7
Persée: Portail de revues scientifiques en sciences humaines et sociales
7
Hunter Library Digital Collections (Western Carolina University)
6
SFU Digitized Collections (Simon Fraser University)
6
University of Washington, Seattle: Digital Collections
6
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
5
The University of Dublin, Trinity College: TARA (Trinity's Access to Research Archive)
5
University of North Texas: UNT Digital Library
5
Charles University CU Digital repository
4
Opin vísindi (Iceland)
4
PANGAEA - Data Publisher for Earth & Environmental Science
4
Skemman (Iceland)
4
University of Alaska: ScholarWorks@UA
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Copernicus Publications: E-Journals
3
Informa (via Crossref)
3
Repozytorium Uniwersytetu w Białymstoku (RUB)
3
UTSA Digital Collections (The University of Texas at San Antonio)
3
University of East Anglia: UEA Digital Repository
3
University of Michigan: Digital Collections
3
University of the Pacific, McGeorge School of Law: Scholarly Commons
3
University of the Pacific: Scholarly Commons
3
Arctic Institute of North America (via Crossref)
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Natural Environment Research Council: NERC Open Research Archive
2
Open Journals at Lund University (OJLU)
2
Oxford University Press (via Crossref)
2
Research Data Australia (Australian National Data Service - ANDS)
2
The Stacks (Library of Anglo-American Culture & History - FID AAC)
2
Theses Canada/Thèses Canada (Library and Archives Canada)
2
ULB Düsseldorf: Digitale Sammlungen (University Library of Düsseldorf University)
2
UQAM - Université du Québec à Montréal: archipel
2
Universidad Zaragoza: Open Journal Systems
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
University of Calgary Journal Hosting
2
University of Tromsø: Munin Open Research Archive
2
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
2
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