Content Provider
Arctic Data Center (via DataONE)
109
DataCite Metadata Store (German National Library of Science and Technology)
86
Research Workspace (via DataONE)
20
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
19
Unknown
16
Defense Technical Information Center: DTIC Technical Reports database
14
NOAA NCEI Environmental Data Archive (via DataONE)
8
University of Nebraska-Lincoln: DigitalCommons@UNL
7
Directory of Open Access Journals: DOAJ Articles
4
University of Alaska: ScholarWorks@UA
4
University of Texas at El Paso: Digital Commons@UTEP
4
USGS Science Data Catalog (via DataONE)
3
University of Calgary Journal Hosting
3
Utah State University: DigitalCommons@USU
3
Frontiers: Figshare
2
Kew Research Repository
2
Queen's University, Ontario: QSpace
2
CDC Stacks (Centers for Disease Control and Prevention)
1
Chapman University Digital Commons
1
City University of New York: CUNY Academic Works
1
Digital Commons University of South Florida (USF)
1
Digital Repository @ Iowa State University
1
Dryad Digital Repository (Duke University)
1
FHSU Scholars Repository (Fort Hays State University)
1
MDPI Open Access Publishing
1
Michigan Technological University: Digital Commons @ Michigan Tech
1
National Museum of Ethnology Repository
1
Old Dominion University: ODU Digital Commons
1
Research Data Australia (Australian National Data Service - ANDS)
1
The University of Maine: DigitalCommons@UMaine
1
University at Albany, State University of New York (SUNY): Scholars Archive
1
University of Arkansas: ScholarWorks@UARK
1
University of Colorado Boulder, Law School: Scholarly Commons
1
University of Nevada, Las Vegas: Digital Scholarship@UNLV
1
University of Northern Iowa: UNI ScholarWorks
1
University of Rhode Island: DigitalCommons@URI
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Tasmania: UTas ePrints
1
W&M ScholarWorks
1
Washington State University: WSU Libraries Digital Collections
1