Content Provider
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
50
Borealis
41
University of North Texas: UNT Digital Library
28
DataCite Metadata Store (German National Library of Science and Technology)
21
University of North Carolina: UNC Digital Collections
12
Temple University Digital Collections
11
Defense Technical Information Center: DTIC Technical Reports database
7
Stellenbosch University: SUNScholar Research Repository
5
Zenodo
3
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
Repositorio Institucional Universidad Distrital - RIUD
2
TORE TUHH Open Research (Hamburg University of Technology)
2
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
2
Washington State University: WSU Libraries Digital Collections
2
Brock University Digital Repository
1
DUMAS (Dépôt Universitaire de Mémoires Après Soutenance)
1
Directory of Open Access Journals: DOAJ Articles
1
Florida State University Digital Library (FSUDL)
1
Florida State University: DigiNole Commons
1
Jultika - University of Oulu repository
1
Luleå University of Technology Publications (DiVA)
1
Repositorio Institucional de la Universidad Santo Tomás
1
Repositorio UDES (Repositorio Digital de la Universidad de Santander)
1
Roskilde University Research Portal (RUC)
1
The University of Queensland: UQ eSpace
1
Umeå University: Publications (DiVA)
1
University College Cork, Ireland: Cork Open Research Archive (CORA)
1
University of Alaska: ScholarWorks@UA
1
University of Alberta: Era - Education and Research Archive
1