Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
608
Research Data Australia (Australian National Data Service - ANDS)
388
Arctic Data Center (via DataONE)
169
USGS Science Data Catalog (via DataONE)
108
University of Washington, Seattle: Digital Collections
104
Beloit College Digital Collections
76
Zenodo
50
Norwegian Polar Data Centre
37
Unknown
27
Arctic Institute of North America
26
Santa Clara University: SCU Digital Collections
26
Research Workspace (via DataONE)
21
Biodiversity Heritage Library (BHL)
15
CyberLeninka (Scientific Electronic Library)
15
The Royal Society: Figshare
15
Springer Nature (via Crossref)
12
Frankfurt/Main University Library: Digitale Sammlungen
11
Oxford University Press (via Crossref)
11
RePEc (Research Papers in Economics)
8
University of California: eScholarship
8
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
8
Athabasca University Digitization Portal
6
Clark University: Clark Digital Commons
6
David Rumsey Historical Map Collection (Cartography Associates)
6
University of Alaska: ScholarWorks@UA
6
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
5
Apollo - University of Cambridge Repository
5
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
5
Dryad Digital Repository (Duke University)
5
Frontiers (Publisher)
5
Frontiers: Figshare
5
OpenRiver@Winona State University
5
SFU Digitized Collections (Simon Fraser University)
5
University of Michigan: Digital Collections
5
University of Nebraska-Lincoln: DigitalCommons@UNL
5
Illinois State Library: Illinois Digital Archives
4
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
4
Naturalis Digital Academic Repository (National Museum of Natural History in the Netherlands)
4
Naturalis Institutional Repository
4
Springer Nature
4
The Royal Society
4
University of Windsor, Ontario: Scholarship at UWindsor
4
APS Digital Library (American Philosophical Society)
3
Brigham Young University (BYU): ScholarsArchive
3
Connecticut Digital Archive
3
De Gruyter (via Crossref)
3
JSTOR (via Crossref)
3
PeerJ Publishing
3
PennState: Digital Collections
3
ScienceDirect (Elsevier - via Crossref)
3
more ...