Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,313
Directory of Open Access Journals: DOAJ Articles
1,031
Unknown
971
SFU Digitized Collections (Simon Fraser University)
703
PubMed Central (PMC)
688
University of British Columbia: cIRcle - UBC's Information Repository
592
Theses Canada/Thèses Canada (Library and Archives Canada)
344
Arca (BC's Digital Treasures)
336
University of Lethbridge Digitized Collections
322
University of Victoria (Canada): UVicDSpace
248
oURspace - The University of Regina's Institutional Repository
243
ScienceDirect (Elsevier - via Crossref)
234
VIURRSpace (Royal Roads University and Vancouver Island University)
226
Springer Nature (via Crossref)
204
MSpace at the University of Manitoba
195
The University of Winnipeg: WinnSpace Repository
189
SAGE Publications (via Crossref)
165
Open Access Journal Hosting (University of British Columbia)
162
Érudit.org (Université Montréal)
154
Informa (via Crossref)
144
MDPI Open Access Publishing
144
Wiley Online Library
142
Wiley Online Library (via Crossref)
132
Vancouver Island University: Viuspace
130
University of Saskatchewan: eCommons@USASK
128
University of Toronto Press (U Toronto Press - via Crossref)
119
Summit - SFU Research Repository (Simon Fraser University)
116
Western Libraries OJS
113
SAGE Publications
111
UNBC's Digital Institutional Repository (University of Northern British Columbia)
110
PRISM - University of Calgary Digital Repository
109
uO Research (University of Ottawa - uOttawa)
108
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
106
University of Toronto: Journal Publishing Services
102
WikiBooks - Open-content textbooks
100
York University Digital Library
97
University of Toronto: Research Repository T-Space
92
Queen's University, Ontario: QSpace
88
Oxford University Press (via Crossref)
86
Cambridge University Press
81
University of Calgary Journal Hosting
74
University of Alberta: Era - Education and Research Archive
72
York University, Toronto: YorkSpace
69
HighWire Press (Stanford University)
64
University of Victoria (Canada): Journal Publishing Service
64
Informa
62
First Peoples Child & Family Review
60
Lakehead University Knowledge Commons
59
University of Western Sydney (UWS): Research Direct
56
Griffith University: Griffith Research Online
51
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