Content Provider
David Rumsey Historical Map Collection (Cartography Associates)
6,757
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
1,171
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
509
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
467
The Portal to Texas History (University of North Texas)
353
NGU Open Archive (Geological Survey of Norway)
343
The Library of Congress: American Memory
227
Doria (National Library of Finland)
102
e-rara.ch (ETH Zürich)
98
Hathi Trust Digital Library
78
Biblioteca Virtual de Defensa (BVD - Ministerio de Defensa de España)
65
JYX - Jyväskylä University Digital Archive
63
Biblioteca Virtual del Patrimonio Bibliográfico
62
Harvard University: Harvard Collections
49
York University Digital Library
44
DataCite Metadata Store (German National Library of Science and Technology)
41
APS Digital Library (American Philosophical Society)
34
Arca (BC's Digital Treasures)
32
University of Florida: Digital Library Center
32
UNBC's Digital Institutional Repository (University of Northern British Columbia)
21
USRA Houston Repository (Universities Space Research Association)
20
Utrecht University Repository
18
OhioLINK: Ohio Digital Resource Commons (DRC)
16
Catálogo Colectivo de la Red de Bibliotecas de los Archivos Estatales
15
Washington State University: WSU Libraries Digital Collections
15
Minnesota Reflections (Minnesota Digital Library - MDL)
13
University of Minnesota Digital Conservancy
12
Colecciones digitales - Biblioteca Virtual del Banco de la República
10
Digital Library of Wielkopolska
9
Monash Collections Online
8
The University of Melbourne: Digitised Collections
8
Unknown
8
Silesian Digital Library
7
Brock University Digital Repository
6
Great Barrier Reef Marine Park Authority: eLibrary
6
Real Academia de la Historia: Biblioteca Digital
6
Texas A&M University - Corpus Christi: DSpace Repository
6
University of North Texas: UNT Digital Library
5
Digital Repository of the University of Hawaii at Manoa
4
Ball State University: Cardinal Scholar
3
Digital.CSIC (Spanish National Research Council)
3
RUcore - Rutgers University Community Repository
3
Whatcom Digital Commons
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Borealis
2
George Mason University: MARS
2
Iowa State University Library Digital Collections
2
Johns Hopkins University, Baltimore: JScholarship
2
MCS University Digital Library
2
MédiHAL
2
more ...