Content Provider
Frontiers: Figshare
58
Texas Tech University: TTU DSpace Repository
43
Unknown
16
Illinois State Library: Illinois Digital Archives
15
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
12
Institut national des sciences de l'Univers: HAL-INSU
12
MédiHAL
12
Université de Nantes: HAL-UNIV-NANTES
12
DataCite Metadata Store (German National Library of Science and Technology)
10
Université de Paris: Portail HAL
10
Digital.CSIC (Spanish National Research Council)
9
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
8
New York Heritage Digital Collections
3
Claremont Colleges Digital Library (CCDL)
2
Oregon Digital (University of Oregon/Oregon State University)
2
SAIC Digital Collections (School of the Art Institute of Chicago)
2
The Portal to Texas History (University of North Texas)
2
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
2
University of Florida: Digital Library Center
2
University of North Texas: UNT Digital Library
2
Université de Montpellier: HAL
2
Université des Antilles (UAG): HAL
2
Banco Internacional de Objetos Educacionais (Ministry of Education - Brazil)
1
DigiTool Collections - The University of Auckland
1
Digital Repository of Scientific Institutes (RCIN)
1
Indiana University - Purdue University Indianapolis: IUPUI Scholar Works
1
Instituto Español de Oceanografía: e-IEO
1
MIT Libraries Dome
1
National Library of Australia: Digital Collections
1
The University of Sydney: Sydney eScholarship Repository
1
The University of Texas at Austin: Texas ScholarWorks
1
Universitat de València: Roderic - Repositorio de contenido libre
1