Content Provider
Directory of Open Access Journals: DOAJ Articles
4
DataCite Metadata Store (German National Library of Science and Technology)
2
Digital Repository of Scientific Institutes (RCIN)
2
Georgetown University: DigitalGeorgetown
2
University of Iceland: Peer Reviewed Journals
2
University of St Andrews: Research Portal
2
Unknown
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Apollo - University of Cambridge Repository
1
City University of New York: CUNY Academic Works
1
Digital Commons @ East Tennessee State University
1
DigitalCommons@Ursinus College
1
Discovery - University of Dundee Online Publications
1
Peoples' Friendship University of Russia (RUDN): Open repository
1
Queen's University Belfast Research Portal
1
The Portal to Texas History (University of North Texas)
1
UNSW Sydney (The University of New South Wales): UNSWorks
1
University College London: UCL Discovery
1
University of Bristol: Bristol Research
1
University of North Texas: UNT Digital Library
1
University of St Andrews: Digital Research Repository
1
University of Victoria (Canada): UVicDSpace
1
University of the Highlands and Islands: Research Database of UHI
1
Washington State University: WSU Libraries Digital Collections
1