Content Provider
The Seattle Public Library Special Collections Online
176
University of California: eScholarship
50
Universidad de Costa Rica: Repositorio Kérwá
24
BioMed Central
23
Copernicus Publications: E-Journals
23
University of Washington, Seattle: Digital Collections
21
OSKAR Bordeaux (Open Science Knowledge ARchive)
19
Università degli Studi di Napoli "Parthenope": CINECA IRIS
18
Unknown
17
PALNI Digital Library Collections (Private Academic Library Network of Indiana)
16
University of Alberta: Era - Education and Research Archive
15
Università degli Studi di Cagliari: UNICA IRIS
14
UNESDOC - UNESCO Digital Library
12
University of Canterbury, Christchurch: UC Research Repository
12
ScholarsArchive@OSU (Oregon State University)
11
UNEP Document Repository (UN Environment Programme)
11
Digital.CSIC (Spanish National Research Council)
10
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
10
Pensoft Publishers
10
University of Washington, Seattle: ResearchWorks
10
DR-NTU (Digital Repository at Nanyang Technological University, Singapore)
9
DataSpace at Princeton University
9
Columbia University: Academic Commons
8
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
8
Ike Skelton Combined Arms Research Library (CARL) Digital Library
6
Arca (BC's Digital Treasures)
5
Claremont Colleges Digital Library (CCDL)
5
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
MIUSE - Mie University Scholarly E-collection
5
Stellenbosch University: SUNScholar Research Repository
5
University of Alaska: ScholarWorks@UA
5
Bioline International (Reference Center on Environmental Information, Brazil)
4
CaltechDATA (California Institute of Technology Research Data Repository)
4
Lund University Publications Student Papers (LUP-SP)
4
North Dakota State University (NDSU): Digital Horizons
4
University of Lethbridge Digitized Collections
4
University of Oregon Scholars' Bank
4
Arctic Council Repository
3
DIAL@USL-B (Université Saint-Louis, Bruxelles)
3
DataCite Metadata Store (German National Library of Science and Technology)
3
IntechOpen (E-Books)
3
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
3
University of Texas Arlington: UTA ResearchCommons
3
University of Toronto: Research Repository T-Space
3
University of the Ryukyus Repository (UR)
3
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3
oURspace - The University of Regina's Institutional Repository
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Cornell University: eCommons@Cornell
2
Czech Academy of Sciences: dKNAV
2
more ...