Discipline-Specific Data Repositories
DataONE - Data Observation Network for Earth
Dataverse Network Project - Harvard University
Dryad - an international repository of data underlying peer-reviewed articles in the basic and applied biosciences.
ICPSR Inter-University Consortium for Political and Social Research
Princeton University - Selected Data Repositories by Subject
PubMed - US National Library of Medicine and National Institutes of Health
Purdue Distributed Data Curation Center - Other Data Repositories
University of Oregon - Data Centers and Repositories
