Content Provider
University of Washington, Seattle: Digital Collections
74
DataCite Metadata Store (German National Library of Science and Technology)
28
University of Lethbridge Digitized Collections
20
University of Michigan: Digital Collections
14
Washington State University: WSU Libraries Digital Collections
14
Unknown
9
Georgia State University Library Digital Collections
6
University of Calgary Journal Hosting
6
Arca (BC's Digital Treasures)
5
Theses Canada/Thèses Canada (Library and Archives Canada)
5
The Library of Congress: American Memory
4
VIURRSpace (Royal Roads University and Vancouver Island University)
4
Canadian Science Publishing (via Crossref)
3
Directory of Open Access Journals: DOAJ Articles
3
Open Access Journal Hosting (University of British Columbia)
3
University of British Columbia: cIRcle - UBC's Information Repository
3
uO Research (University of Ottawa - uOttawa)
3
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
2
Dalhousie University: DalSpace Institutional Repository
2
David Rumsey Historical Map Collection (Cartography Associates)
2
Hathi Trust Digital Library
2
James Cook University, Australia: ResearchOnline@JCU
2
Oregon Digital (University of Oregon/Oregon State University)
2
Oxford University Press (via Crossref)
2
Spectrum: Concordia University Research Repository (Montreal)
2
Summit - SFU Research Repository (Simon Fraser University)
2
University of Gloucestershire: Research Repository
2
Vancouver Island University: Viuspace
2
Érudit.org (Université Montréal)
2
Arctic Institute of North America
1
Borealis
1
Cambridge University Press
1
Canadian Science Publishing
1
De Gruyter (via Crossref)
1
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
1
Digital Repository @ Iowa State University
1
Emerald
1
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
1
Jultika - University of Oulu repository
1
MSpace at the University of Manitoba
1
National Research Council Canada: NRC Publications Archive
1
North Dakota State University (NDSU): Digital Horizons
1
Opin vísindi (Iceland)
1
Osaka Kyoiku University Repository
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
PRISM - University of Calgary Digital Repository
1
Portland State University: PDXScholar
1
Royal Roads University: DSpace @ RRU
1
SAIC Digital Collections (School of the Art Institute of Chicago)
1
ScienceDirect (Elsevier - via Crossref)
1
more ...