Content Provider
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
60
Unknown
60
DataCite Metadata Store (German National Library of Science and Technology)
34
Alia - Finnish Social Science Data Archive
7
WHO (World Health Organization): Institutional Repository for Information Sharing (IRIS)
7
Pamukkale University Repository
2
The University of Utah: J. Willard Marriott Digital Library
2
University of Roehampton Research Explorer
2
Brock University Digital Repository
1
DSpace@BEÜ - Zonguldak Bülent Ecevit University Institutional Repository
1
Defense Technical Information Center: DTIC Technical Reports database
1
Directory of Open Access Journals: DOAJ Articles
1
Edinburgh DataShare (University of Edinburgh)
1
Hunter Library Digital Collections (Western Carolina University)
1
Istanbul Bilgi University: Open Access Repository
1
PubMed Central (PMC)
1
Saint Louis University Libraries Digital Collections
1
Search4Dev (Digital documents by Dutch development organizations)
1
UNESDOC - UNESCO Digital Library
1
Universidad EAFIT, Medellin: Repositorio de revistas académicas
1
Universidad Internacional de La Rioja (UNIR): Re-Unir
1
University of East Anglia: UEA Digital Repository
1
University of Malta: OAR@UM
1
University of Miami: Digital Collections
1
Wiley Online Library (via Crossref)
1