Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
11,128
PISCO MN (via DataONE)
40
David Rumsey Historical Map Collection (Cartography Associates)
38
NOAA NCEI Environmental Data Archive (via DataONE)
25
Zenodo
22
Dryad Digital Repository (Duke University)
5
Unknown
4
University of Nebraska-Lincoln: DigitalCommons@UNL
3
Aarhus University: Research
1
Borealis
1
Cairn (E-Journals)
1
California Ocean Protection Council Data Repository (via DataONE)
1
Canadian Science Publishing
1
DUMAS (Dépôt Universitaire de Mémoires Après Soutenance)
1
Dialnet - Portada de revistas (Universidad de La Rioja)
1
Digital Commons @ CSUMB (California State University, Monterey Bay)
1
Directory of Open Access Journals: DOAJ Articles
1
IREKANI - Instituto de Biología, Universidad Nacional Autónoma de México (UNAM)
1
Indiana University: Digital Library of the Commons (DLC)
1
Knowledge@UChicago (University of Chicago)
1
Memorial University of Newfoundland: Research Repository
1
Oxford University Press (via Crossref)
1
RePEc (Research Papers in Economics)
1
Repositorio Nacional Gobierno de Mexico
1
Saint Louis University Libraries Digital Collections
1
ScholarsArchive@OSU (Oregon State University)
1
Servicio Meteorológico Nacional: elabrigo Repositorio Institucional SMN
1
UTSA Digital Collections (The University of Texas at San Antonio)
1
Universidade Federal de São Paulo (UNIFESP): Repositório Institucional
1
University of British Columbia: cIRcle - UBC's Information Repository
1
University of Illinois at Urbana-Champaign: IDEALS (Illinois Digital Environment for Access to Learning and Scholarship)
1
University of Lethbridge Digitized Collections
1
University of Maine, School of Law: Digital Commons
1
University of Minnesota Digital Conservancy
1
University of South Florida St. Petersburg: Digital USFSP
1
University of Tasmania: UTas ePrints
1
University of Toronto: Research Repository T-Space
1
University of Washington, Seattle: Digital Collections
1
Université de Nantes: HAL-UNIV-NANTES
1
Wiley Online Library (via Crossref)
1
eCite UTAS (University of Tasmania)
1
Érudit.org (Université Montréal)
1