- Health maintenance organizations1
- Hispanic Americans--Employment1
- House construction1
- Impeachment1
- Imports1
- Income averaging1
- Income tax1
- Income tax--Foreign income1
- Industrial hygiene1
- Insurance1
- Interest rates1
- International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America1
- International Chemical Workers Union1
- International Labour Organization1
- International Ladies' Garment Workers' Union1
- International Telephone and Telegraph Corporation1
- International Union of Electrical, Radio, and Machine Workers. Local 761 (Louisville, Ky.)1
- International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America1
- International Union, United Automobile, Aircraft, and Agricultural Implement Workers of America1
- International business enterprises1
