Content Provider
Unknown
1,604
DataCite Metadata Store (German National Library of Science and Technology)
1,389
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1,171
Érudit.org (Université Montréal)
956
Directory of Open Access Journals: DOAJ Articles
899
PubMed Central (PMC)
597
University of Calgary Journal Hosting
450
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
388
Wiley Online Library
329
Theses Canada/Thèses Canada (Library and Archives Canada)
297
University of Copenhagen: Research
266
Cambridge University Press
253
Springer Nature (via Crossref)
247
Informa
231
Université Laval: CorpusUL
218
Aarhus University: Research
214
OpenEdition
214
ScienceDirect (Elsevier - via Crossref)
210
University of Southern Denmark Research Portal
209
Université de Nantes: HAL-UNIV-NANTES
204
uO Research (University of Ottawa - uOttawa)
195
University of Washington, Seattle: Digital Collections
187
Informa (via Crossref)
179
DataCite
172
WikiBooks - Open-content textbooks
172
UQAM - Université du Québec à Montréal: archipel
171
UNESDOC - UNESCO Digital Library
168
RePEc (Research Papers in Economics)
159
Arctic Institute of North America
157
Connecticut Digital Archive
153
SFU Digitized Collections (Simon Fraser University)
145
Hathi Trust Digital Library
138
JSTOR (via Crossref)
134
SAGE Publications
131
LeibnizOpen (The Leibniz Association)
123
APS Digital Library (American Philosophical Society)
118
Queen's University, Ontario: QSpace
118
De Gruyter
116
McGill University: eScholarship@McGill
113
Inalco (Institut National des Langues et Civilisations Orientales): HAL
112
The University of Western Ontario: Scholarship@Western
103
University of California: eScholarship
102
Université Sorbonne Nouvelle - Paris 3: HAL
102
JSTOR
94
University of Alberta: Era - Education and Research Archive
94
University of Toronto Press (U Toronto Press - via Crossref)
94
Aalborg University's Research Portal
92
DIAL@USL-B (Université Saint-Louis, Bruxelles)
90
DIAL@UCLouvain (Université catholique de Louvain)
89
MédiHAL
85
more ...