Content Provider
Directory of Open Access Journals: DOAJ Articles
23
The Portal to Texas History (University of North Texas)
13
Harvard University: Harvard Collections
12
Defense Technical Information Center: DTIC Technical Reports database
5
David Rumsey Historical Map Collection (Cartography Associates)
4
ORNL DAAC (via DataONE)
4
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
3
Unknown
3
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Research Data Australia (Australian National Data Service - ANDS)
2
University of Groningen research database
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Carolina Digital Repository (UNC - University of North Carolina)
1
Doria (National Library of Finland)
1
Federation of Finnish Learned Societies: Scientific Journals Online
1
IRSN (Institut de Radioprotection et de Sûreté Nucléaire): Publications (HAL
1
Nova Southeastern University: NSU Works
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Persée: Portail de revues scientifiques en sciences humaines et sociales
1
Repositorio Institucional de la UPCH (Universidad Peruana Cayetano Heredia)
1
Repositório da Universidade Nova de Lisboa (UNL)
1
University of Alaska: ScholarWorks@UA
1
University of St Andrews: Research Portal
1
Université de Nantes: HAL-UNIV-NANTES
1
Åbo Akademi: Open Journal Systems
1