Content Provider
Ohio State University (OSU): Knowledge Bank
3,069
DataCite Metadata Store (German National Library of Science and Technology)
1,704
National Library of Australia: Digital Collections
970
Frontiers: Figshare
237
Unknown
199
Digital.CSIC (Spanish National Research Council)
95
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
87
Texas Tech University: TTU DSpace Repository
82
University of Alberta: Era - Education and Research Archive
79
DigiTool Collections - The University of Auckland
62
Ohio University Library Digital Archives
53
Instituto Español de Oceanografía: e-IEO
44
KovsieScholar Repository (University of the Free State - UFS UV)
30
University of Washington, Seattle: Digital Collections
26
The Gateway to Oklahoma History (University of North Texas Libraries)
18
University of Michigan: Digital Collections
16
University of Florida: Digital Library Center
14
Zenodo
14
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
13
New Zealand Electronic Text Collection (Victoria University of Wellington)
10
Temple University Digital Collections
10
University of Miami: Digital Collections
10
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
9
Australian National University: ANU Digital Collections
8
Illinois State Library: Illinois Digital Archives
7
Purdue University: e-Pubs
7
Open Parks Network
6
repository.iit (Illinois Institute of Technology)
6
GettDigital (Gettysburg College Digital Collections)
5
Wellcome Trust, London: Wellcome Images
5
AU Digital Research Archive (American University)
4
Oregon Digital (University of Oregon/Oregon State University)
4
SAIC Digital Collections (School of the Art Institute of Chicago)
4
SFU Digitized Collections (Simon Fraser University)
4
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
4
University of North Texas: UNT Digital Library
4
Claremont Colleges Digital Library (CCDL)
3
Texas Tech University: Southwest Collection/Special Collections Library
3
The Portal to Texas History (University of North Texas)
3
The Royal Society: Figshare
3
Arizona Memory Project (Arizona State Library, Archives and Public Records)
2
Banco Internacional de Objetos Educacionais (Ministry of Education - Brazil)
2
Digital Repository of Scientific Institutes (RCIN)
2
Irstea Publications et Bases documentaires (Irstea@doc/CemOA)
2
Leodis - a photographic archive of Leeds (Leeds Library and Information Service)
2
PennState: Digital Collections
2
Smithsonian Institution: Figshare
2
Swinburne University of Technology: Swinburne Image Bank
2
The University of Adelaide: Digital Library
2
VIURRSpace (Royal Roads University and Vancouver Island University)
2
more ...