Content Provider
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
78,436
APS Digital Library (American Philosophical Society)
88
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
60
SDSUnbound (San Diego State University)
55
DataCite Metadata Store (German National Library of Science and Technology)
50
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
39
Nature Precedings
34
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
31
Real Academia de la Historia: Biblioteca Digital
16
University of Michigan: Digital Collections
15
Hathi Trust Digital Library
14
Universitat de Girona: DUGi Fons Especials (UdG Digital Repository)
14
IssueLab (Nonprofit Research)
12
Utrecht University Repository
12
Digital Library of Wielkopolska
11
IFPRI Knowledge Collections (International Food Policy Research Institute)
9
PubMed Central (PMC)
9
The Portal to Texas History (University of North Texas)
9
University of North Texas: UNT Digital Library
9
e-manuscripta.ch
9
Staatsbibliothek zu Berlin: Digitised Collections
7
University of Southampton: e-Prints Soton
7
BioMed Central
6
CGIAR CGSpace (Consultative Group on International Agricultural Research)
6
Center for Jewish History: Digital Collections
6
GAMS - Humanities' Asset Management System (Austrian Centre for Digital Humanities, University of Graz)
5
The University of Queensland: UQ eSpace
5
Biblioteca Virtual de La Rioja (Gobierno de La Rioja)
4
Digital Repository Polonica (Instytut Badań nad Dziedzictwem Kulturowym Europy)
4
Georgetown University: DigitalGeorgetown
4
HELDA – University of Helsinki Open Repository
4
Florida State University: Publication of Archival Library & Museum Materials
3
Staats- und Universitätsbibliothek Bremen - Digitale Sammlungen
3
Apollo - University of Cambridge Repository
2
Hirsla - Landspítali University Hospital research archive
2
Hungarian Electronic Library (MEK)
2
National Library of Finland: Fragmenta Membranea
2
Northern Territory Government Health Library Services ePublications
2
The University of Dublin, Trinity College: TARA (Trinity's Access to Research Archive)
2
Universitäts- und Landesbibliothek Sachsen-Anhalt: Bibliotheca Ponickaviana
2
Aalto University Publication Archive (Aaltodoc)
1
Arca (BC's Digital Treasures)
1
Biblioteca Virtual del Patrimonio Bibliográfico
1
Boston University: OpenBU
1
Connecticut Digital Archive
1
Dalhousie University: DalSpace Institutional Repository
1
Demiroğlu Bilim University Institutional Repository
1
Digitale Sammlungen der Herzogin Anna Amalia Bibliothek Weimar (HAAB)
1
Harvard University: Harvard Collections
1
MSpace at the University of Manitoba
1
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