Integrated Public Use Microdata Series (IPUMS) USA Integrated Public Use Microdata Series (IPUMS) CPS Integrated Public Use Microdata Series (IPUMS) International Integrated Public Use Microdata Series (IPUMS) Time Use Projects National Historical Geographic Information System (NHGIS) Integrated Demographic and Health Series (IDHS) Integrated Public Use Microdata Series (IPUMS) Higher Ed Integrated Health Interview Series (NHIS) IPUMS Terra

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