Content Provider
Unknown
1,612
DataCite Metadata Store (German National Library of Science and Technology)
1,451
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1,171
Érudit.org (Université Montréal)
947
Directory of Open Access Journals: DOAJ Articles
815
PubMed Central (PMC)
551
University of Calgary Journal Hosting
448
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
388
Informa (via Crossref)
301
Theses Canada/Thèses Canada (Library and Archives Canada)
297
University of Copenhagen: Research
259
Springer Nature (via Crossref)
247
ScienceDirect (Elsevier - via Crossref)
245
Cambridge University Press
238
OpenEdition
211
Aarhus University: Research
205
Université Laval: CorpusUL
202
University of Southern Denmark Research Portal
196
uO Research (University of Ottawa - uOttawa)
195
Université de Nantes: HAL-UNIV-NANTES
194
University of Washington, Seattle: Digital Collections
187
Wiley Online Library (via Crossref)
180
JSTOR (via Crossref)
172
UQAM - Université du Québec à Montréal: archipel
171
UNESDOC - UNESCO Digital Library
168
RePEc (Research Papers in Economics)
159
Wiley Online Library
157
Connecticut Digital Archive
153
SFU Digitized Collections (Simon Fraser University)
145
Arctic Institute of North America (via Crossref)
124
APS Digital Library (American Philosophical Society)
118
LeibnizOpen (The Leibniz Association)
117
SAGE Publications (via Crossref)
117
WikiBooks - Open-content textbooks
117
McGill University: eScholarship@McGill
113
University of Toronto Press (U Toronto Press - via Crossref)
113
Inalco (Institut National des Langues et Civilisations Orientales): HAL
112
Oxford University Press (via Crossref)
109
Hathi Trust Digital Library
104
Université Sorbonne Nouvelle - Paris 3: HAL
101
Informa
100
The University of Western Ontario: Scholarship@Western
100
University of California: eScholarship
99
University of Alberta: Era - Education and Research Archive
93
DIAL@USL-B (Université Saint-Louis, Bruxelles)
90
DIAL@UCLouvain (Université catholique de Louvain)
89
Aalborg University's Research Portal
85
MédiHAL
85
MSpace at the University of Manitoba
79
Borealis
77
more ...