Content Provider
Unknown
1,439
Arctic Council Repository
1,430
University of Canterbury, Christchurch: UC Research Repository
775
BioMed Central
642
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
607
Lund University Publications Student Papers (LUP-SP)
454
Copernicus Publications: E-Journals
452
University of Alberta: Era - Education and Research Archive
392
Claremont Colleges Digital Library (CCDL)
385
Swedish University of Agricultural Sciences: Epsilon Archive for Student Projects
369
University of California: eScholarship
364
Athabasca University Digitization Portal
342
oURspace - The University of Regina's Institutional Repository
339
DataverseNO
327
OSKAR Bordeaux (Open Science Knowledge ARchive)
320
USP Production Repository (Universidade de São Paulo)
294
Jagiellonian University Repository
289
Université Laval: CorpusUL
255
UNESDOC - UNESCO Digital Library
245
Theseus.fi (Open Repository of the Universities of Applied Sciences)
213
Pensoft Publishers
208
The Seattle Public Library Special Collections Online
206
IntechOpen (E-Books)
189
Zenodo
175
The University of Winnipeg: WinnSpace Repository
172
UNEP Document Repository (UN Environment Programme)
172
The University of Utah: J. Willard Marriott Digital Library
168
The Portal to Texas History (University of North Texas)
145
uO Research (University of Ottawa - uOttawa)
135
University of Lethbridge Digitized Collections
124
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
114
University of North Texas: UNT Digital Library
114
PALNI Digital Library Collections (Private Academic Library Network of Indiana)
112
Digital.CSIC (Spanish National Research Council)
111
Natural Resources Institute Finland: Jukuri
111
Instituto Español de Oceanografía: e-IEO
108
CaltechDATA (California Institute of Technology Research Data Repository)
107
York University Digital Library
106
Apollo - University of Cambridge Repository
103
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
103
DIAL@USL-B (Université Saint-Louis, Bruxelles)
101
Vytautas Magnus University e-Publication Repository (VMU ePub)
97
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
94
National Institute for Health and Welfare (THL), Finland: Julkari
94
University of Washington, Seattle: ResearchWorks
93
Aarhus University: Research
91
University of Alaska: ScholarWorks@UA
91
Charles University CU Digital repository
88
ScholarsArchive@OSU (Oregon State University)
84
Stellenbosch University: SUNScholar Research Repository
84
more ...