- United States Code @ Cornell
- United States Code @ House of Representatives
- Search - by title, section or subdivision; by concept and cross-reference.
- Help searching the U.S. Code @ House of Representatives
- Hints searching U.S. Code @ GPO Access
- United States Code, Statutes-at-Large and Public Laws @ Law Library of Congress
- Public Laws @ National Archives and Record Administration (NARA) - from 1994 forward.
- Public and Private Laws @ GPO Access
- Thomas @ Library of Congress - extensive legislative information
- Compiling a Federal Legislative History @ Hastings
- Statutory Construction Zone - prominent blog about recent case developments in federal statutory construction.