Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
856
University of Calgary Journal Hosting
648
Directory of Open Access Journals: DOAJ Articles
465
Unknown
450
PubMed Central (PMC)
191
Theses Canada/Thèses Canada (Library and Archives Canada)
184
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
148
ScienceDirect (Elsevier - via Crossref)
122
Canadian Science Publishing (via Crossref)
118
PANGAEA - Data Publisher for Earth & Environmental Science
116
Wiley Online Library
101
Springer Nature (via Crossref)
92
Informa (via Crossref)
86
Wiley Online Library (via Crossref)
86
MédiHAL
82
Université Sorbonne Nouvelle - Paris 3: HAL
82
Inalco (Institut National des Langues et Civilisations Orientales): HAL
81
University of Alberta: Era - Education and Research Archive
76
Érudit.org (Université Montréal)
75
MSpace at the University of Manitoba
73
Copernicus Publications: E-Journals
72
Queen's University, Ontario: QSpace
71
Cambridge University Press
68
Canadian Science Publishing
68
uO Research (University of Ottawa - uOttawa)
68
LeibnizOpen (The Leibniz Association)
57
Université de Nantes: HAL-UNIV-NANTES
53
Carleton University's Institutional Repository
52
Niedersächsisches Online-Archiv NOA
52
MDPI Open Access Publishing
47
PRISM - University of Calgary Digital Repository
47
Institut national des sciences de l'Univers: HAL-INSU
43
University of British Columbia: cIRcle - UBC's Information Repository
42
York University Digital Library
42
Université Laval: CorpusUL
36
Informa
34
University of Toronto: Research Repository T-Space
32
University of Waterloo, Canada: Institutional Repository
30
VIURRSpace (Royal Roads University and Vancouver Island University)
30
University of Saskatchewan: eCommons@USASK
29
The Canadian Field-Naturalist (E-Journal)
28
Dalhousie University: DalSpace Institutional Repository
27
Memorial University of Newfoundland: Research Repository
27
Biodiversity Heritage Library (BHL)
26
WikiBooks - Open-content textbooks
25
BioOne Online Journals
24
Oxford University Press (via Crossref)
24
SAGE Publications (via Crossref)
24
National Research Council Canada: NRC Publications Archive
23
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
23
more ...