Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,629
Unknown
2,511
University of Alberta: Era - Education and Research Archive
1,744
University of Michigan: Digital Collections
1,027
University of Calgary Journal Hosting
649
Directory of Open Access Journals: DOAJ Articles
467
Zenodo
296
Theses Canada/Thèses Canada (Library and Archives Canada)
234
PubMed Central (PMC)
191
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
175
Arctic Data Center (via DataONE)
171
ScienceDirect (Elsevier - via Crossref)
123
Érudit.org (Université Montréal)
121
PANGAEA - Data Publisher for Earth & Environmental Science
113
USGS Science Data Catalog (via DataONE)
112
Springer Nature (via Crossref)
107
Canadian Science Publishing (via Crossref)
99
Informa (via Crossref)
91
McGill University: eScholarship@McGill
88
Arctic Institute of North America (via Crossref)
87
Wiley Online Library (via Crossref)
85
University of Toronto: Research Repository T-Space
82
Université de Montréal (UdeM): Calypso - Collections d'objets numériques
81
Université de Nantes: HAL-UNIV-NANTES
76
Copernicus Publications: E-Journals
72
Queen's University, Ontario: QSpace
72
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
72
uO Research (University of Ottawa - uOttawa)
72
MSpace at the University of Manitoba
71
Wiley Online Library
70
RePEc (Research Papers in Economics)
63
Dryad Digital Repository (Duke University)
58
CURVE - Carleton University Research Virtual Environment
57
LeibnizOpen (The Leibniz Association)
57
Borealis
56
Cambridge University Press
53
Carleton University's Institutional Repository
52
Niedersächsisches Online-Archiv NOA
52
Biodiversity Heritage Library (BHL)
51
APS Digital Library (American Philosophical Society)
50
Dalhousie University: DalSpace Institutional Repository
50
MDPI Open Access Publishing
47
PRISM - University of Calgary Digital Repository
47
UQAM - Université du Québec à Montréal: archipel
47
Canadian Science Publishing
43
University of British Columbia: cIRcle - UBC's Information Repository
42
University of Windsor, Ontario: Scholarship at UWindsor
42
York University Digital Library
42
Université Laval: CorpusUL
41
OpenEdition
38
more ...