Content Provider
WikiBooks - Open-content textbooks
447
Biodiversity Heritage Library (BHL)
437
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
97
Unknown
66
National Institute of Polar Research Repository, Japan
34
University of Southampton: e-Prints Soton
33
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
28
USRA Houston Repository (Universities Space Research Association)
27
UNESDOC - UNESCO Digital Library
26
OpenAgrar (OA)
20
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
19
Open Research Library
17
Australian National University: ANU Digital Collections
16
Texas A&M University Digital Repository
16
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
GEO-LEOe-docs (FID GEO)
15
UiTM Digital Repository (Universiti Teknologi Mara)
15
University of Copenhagen: Research
14
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
13
Technical University of Denmark: DTU Orbit
13
Ohio State University (OSU): Knowledge Bank
9
University of Bristol: Bristol Research
9
Université de Nantes: HAL-UNIV-NANTES
8
eCite UTAS (University of Tasmania)
8
IIASA DARE (Data Repository of the International Institute of Applied Systems Analysis)
7
IIASA PURE (International Institute of Applied Systems Analysis: PUblications REpository)
7
University of North Texas: UNT Digital Library
7
School of Oriental and African Studies, University of London: SOAS Research Online
6
CEDA document repository (Centre for Environmental Data Analysis)
5
DataCite Metadata Store (German National Library of Science and Technology)
5
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
5
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
5
Lund University Publications (LUP)
5
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
5
Zenodo
5
Arctic Portal Library
4
Institut national des sciences de l'Univers: HAL-INSU
4
KITopen (Karlsruhe Institute of Technologie)
4
The University of Queensland: UQ eSpace
4
University of St Andrews: Research Portal
4
University of Tasmania: UTas ePrints
4
Università degli Studi di Genova: CINECA IRIS
4
Vrije Universiteit Brussel (VUB): Research Output
4
norden (Nordic Council of Ministers): Publications (DiVA)
4
Aarhus University: Research
3
Aberdeen University Research Archive (AURA)
3
Discovery - University of Dundee Online Publications
3
Falmouth University Research Repository (FURR)
3
HAL - Université de La Rochelle
3
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
3
more ...