Content Provider
Directory of Open Access Journals: DOAJ Articles
13
Borealis
3
Oxford University Press (via Crossref)
2
SAGE Publications (via Crossref)
2
University of Alberta: Era - Education and Research Archive
2
University of Colorado Boulder, Law School: Scholarly Commons
2
Cambridge University Press (via Crossref)
1
Canadian Science Publishing (via Crossref)
1
DataCite
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Hathi Trust Digital Library
1
Informa
1
Johns Hopkins University Press
1
Kew Research Repository
1
ScienceDirect (Elsevier)
1
The Online Books Page (Penn Libraries, University of Pennsylvania)
1
University of Toronto Press (U Toronto Press - via Crossref)
1
University of Toronto: Journal Publishing Services
1
University of Victoria (Canada): UVicDSpace
1
Unknown
1