Locating Deleted Government Data

Public Environmental Data Project
A volunteer coalition of several environmental, justice, and policy organizations, researchers across several universities, archivists, and students who rely on federal datasets and tools to support critical research, advocacy, policy, and litigation work.

IPUMS Health Surveys
IPUMS provides census and survey data from around the world integrated across time and space. IPUMS integration and documentation makes it easy to study change, conduct comparative research, merge information across data types, and analyze individuals within family and community contexts. Data and services available free of charge.