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Articles & Databases

DataCite
A registry of research data repositories. [More about DataCite] 

Datahub
Data-management platform from the Open Knowledge Foundation. [More about Datahub] 

DataZoa
Save, share, and analyze time series for public economic data. [More about DataZoa] 
Create a personal account at the DataZoa login page.

National Historical Geographic Information System (NHGIS)
Aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2010. [More about National Historical Geographic Information System (NHGIS)] 
Users must register in order to download data (registration is free).

re3data
A registry of research data repositories. [More about re3data ] 

Social Explorer
Provides easy access to current and historical census data and demographic information for the United States. [More about Social Explorer] 

Statista
General quantitative data on an easy-to-use searchable platform. [More about Statista]