Encyclopedias, Almanacs, Transcripts, and Maps
- Intelligence Officer
- Intelligence Policy and Review (OIPR), United States Office of
- Intelligence Support, United States Office of
- Intelligence, United States Congressional Oversight of
- Interagency Security Committee, United States
- Interest Group Litigation
- Intergovernmental Immunity
- Intergovernmental Tax Immunities
- Internal Improvements
- Internal Revenue Service, United States
- Internal Security Act 64 Stat. 987 (1950)
- International Emergency Economic Powers Act 91 Stat. 1625 (1977)
- International Human Rights
- International Law and Federal–State Relations
- International Narcotics and Law Enforcement Affairs (INL), United States Bureau of
- International Society for Krishna Consciousness v. Lee 505 U.S. 672 (1992)
- International Terrorism
- Internet and Freedom of Speech
- Internet Spider
- Internet: Dynamic and Static Addresses