Content Provider
University of Calgary Journal Hosting
186
Directory of Open Access Journals: DOAJ Articles
143
Connecticut Digital Archive
131
Unknown
104
UNESDOC - UNESCO Digital Library
91
Beloit College Digital Collections
45
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
39
DataCite Metadata Store (German National Library of Science and Technology)
27
University of the Sunshine Coast, Queensland, Australia: COAST Research Database
23
Université de Nantes: HAL-UNIV-NANTES
23
University of Southern Denmark Research Portal
18
Hathi Trust Digital Library
17
Biodiversity Heritage Library (BHL)
14
MDPI Open Access Publishing
14
Aalborg University's Research Portal
13
University of Copenhagen: Research
13
Érudit.org (Université Montréal)
12
APS Digital Library (American Philosophical Society)
10
Aarhus University: Research
10
OpenEdition
10
Université Laval: CorpusUL
10
Theses Canada/Thèses Canada (Library and Archives Canada)
9
Carleton University's Institutional Repository
8
University of California: eScholarship
7
University of Guelph: DSpace digital archive
7
Arctic Data Center (via DataONE)
6
Dalhousie University: DalSpace Institutional Repository
6
Queen's University, Ontario: QSpace
6
UQAM - Université du Québec à Montréal: archipel
6
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
6
Université Grenoble Alpes: HAL
6
Université Paris 1 Panthéon-Sorbonne: HAL
6
Université de Paris: Portail HAL
6
BioMed Central
5
Jagiellonian University Repository
5
University of Waterloo, Canada: Institutional Repository
5
York University, Toronto: YorkSpace
5
uO Research (University of Ottawa - uOttawa)
5
Apollo - University of Cambridge Repository
4
Charles University CU Digital repository
4
DIAL@UCLouvain (Université catholique de Louvain)
4
DIAL@USL-B (Université Saint-Louis, Bruxelles)
4
MSpace at the University of Manitoba
4
Stockholm University: Publications (DiVA)
4
Umeå University: Publications (DiVA)
4
University of Michigan: Digital Collections
4
University of Toronto: Research Repository T-Space
4
Zenodo
4
Archives ouvertes de Paris-Saclay
3
Cairn (E-Journals)
3
more ...