Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3,842
Ohio State University (OSU): Knowledge Bank
3,280
National Library of Australia: Digital Collections
1,227
University of Michigan: Digital Collections
431
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
319
Unknown
292
Frontiers: Figshare
284
DigiTool Collections - The University of Auckland
146
Digital.CSIC (Spanish National Research Council)
134
Texas Tech University: TTU DSpace Repository
102
University of Alberta: Era - Education and Research Archive
80
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
68
MédiHAL
68
Université de Nantes: HAL-UNIV-NANTES
61
Ohio University Library Digital Archives
53
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
46
Instituto Español de Oceanografía: e-IEO
46
University of Washington, Seattle: Digital Collections
46
The University of Akron: Archival Services Digital Collections
43
New York Heritage Digital Collections
38
AU Digital Research Archive (American University)
35
KovsieScholar Repository (University of the Free State - UFS UV)
34
Zenodo
29
New Zealand Electronic Text Collection (Victoria University of Wellington)
24
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
21
The Gateway to Oklahoma History (University of North Texas Libraries)
21
University of Florida: Digital Library Center
21
Institut national des sciences de l'Univers: HAL-INSU
20
Illinois State Library: Illinois Digital Archives
15
University of Miami: Digital Collections
14
Australian National University: ANU Digital Collections
13
NRC Digital Repository (National Research Council Canada)
13
Temple University Digital Collections
12
The University of Sydney: Archaeological fish-bone images
12
Oregon Digital (University of Oregon/Oregon State University)
11
Université de Paris: Portail HAL
10
Open Parks Network
8
Arizona Memory Project (Arizona State Library, Archives and Public Records)
7
Purdue University: e-Pubs
7
Université Toulouse 2 - Jean Jaurès: HAL
7
SAIC Digital Collections (School of the Art Institute of Chicago)
6
Swinburne University of Technology: Swinburne Image Bank
6
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
6
University of North Texas: UNT Digital Library
6
repository.iit (Illinois Institute of Technology)
6
GettDigital (Gettysburg College Digital Collections)
5
SFU Digitized Collections (Simon Fraser University)
5
Wellcome Trust, London: Wellcome Images
5
Claremont Colleges Digital Library (CCDL)
4
PennState: Digital Collections
4
more ...