Publisher
- Insular Affairs Committee1
- Interior and Insular Affairs Committee928
- Internal Revenue Bureau, Select Committee on Investigation of8
- International Expositions Committee2
- International Expositions Select Committee2
- International Expositions, Select Committee on1
- Interoceanic Canals Committee46
- Interoceanic Canals, Committee on3
- Interstate Commerce Committee306
- Interstate Commerce, Committee on30
- Interstate and Foreign Commerce Committee280
- Invalid Pensions Committee292
- Irrigation Committee1
- Irrigation and Reclamation Committee46
- Irrigation and Reclamation Committee, Senate2
- Irrigation and Reclamation of Arid Lands Committee45
- Irrigation and Reclamation of Arid Lands, Committee on7
- Judiciary Committee2,007
- Judiciary Committee, Senate7
- Judiciary, Committee on the23