Content Provider
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
203,416
Memorial University of Newfoundland: Research Repository
3,315
DataCite Metadata Store (German National Library of Science and Technology)
1,075
Unknown
971
Hathi Trust Digital Library
760
Wiley Online Library
751
Directory of Open Access Journals: DOAJ Articles
701
Canadian Science Publishing
658
Canadian Science Publishing (via Crossref)
643
University of New Brunswick: Centre for Digital Scholarship Journals
632
PubMed Central (PMC)
601
Biodiversity Heritage Library (BHL)
407
ScienceDirect (Elsevier - via Crossref)
378
Cambridge University Press
376
HighWire Press (Stanford University)
306
DataCite
279
Springer Nature (via Crossref)
267
WikiBooks - Open-content textbooks
259
University of Michigan: Digital Collections
250
ScienceDirect (Elsevier)
217
PANGAEA - Data Publisher for Earth & Environmental Science
213
University of Toronto Press (U Toronto Press - via Crossref)
212
Érudit.org (Université Montréal)
204
Memorial University of Newfoundland: Electronic Journals
196
Oxford University Press
196
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
170
Informa (via Crossref)
167
Cambridge University Press (via Crossref)
162
Defense Technical Information Center: DTIC Technical Reports database
162
Oxford University Press (via Crossref)
154
Theses Canada/Thèses Canada (Library and Archives Canada)
144
Informa
138
SAGE Publications
123
Wiley Online Library (via Crossref)
123
SAGE Publications (via Crossref)
121
Dalhousie University: DalSpace Institutional Repository
115
University of Lethbridge Digitized Collections
98
Institut national des sciences de l'Univers: HAL-INSU
95
National Research Council Canada: NRC Publications Archive
88
MDPI Open Access Publishing
87
University of Calgary Journal Hosting
87
Université de Nantes: HAL-UNIV-NANTES
83
Queen's University, Ontario: QSpace
74
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
68
BioOne Online Journals
63
University of St Andrews: Research Portal
62
Digital.CSIC (Spanish National Research Council)
59
Zenodo
56
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
55
Saint Mary's University, Halifax: Institutional Repository
55
more ...