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Free and Low Cost Legal Research Guide

Think beyond Lexis, Westlaw & Bloomberg Law. This guides identifies resources for free or low cost legal research.

Free Sources of the Constitution

For information about constitutional law research generally, please see our Constitutional Law Research Guide.

Source Dates Notes
Congress.gov Updated regularly The Constitution Annotated contains legal analysis and interpretation of the U.S. Constitution.
Founder's Constitution N/A A collection containing the Constitution and related original-source documents.
GPO Access Annotations updated through 2010 Annotated version (2002) of the Constitution prepared by the Congressional Research Service.
Legal Information Institute Annotations updated through 2000 Annotated version (1992) of the Constitution prepared by the Congressional Research Service.

State Constitutions

Online access to state constitutions varies widely. Please consult our state research guides for information about individual jurisdictions.