- Ide, Tom. Artist file: miscellaneous uncatalogued material1
- Iden, Kris, 1964-. Artist file: miscellaneous uncatalogued material1
- Identification Office Records2
- Iglesias, Cristina, 1956-. Artist file: miscellaneous uncatalogued material1
- Ignatius Donnelly Collection
1888-19001
- Ignorance Club collection3
- Ihara, Michio. Artist file: miscellaneous uncatalogued material1
- Ihlenfeld, Klaus. Artist file: miscellaneous uncatalogued material1
- Ike, Taiga, 1723-1776. Artist file: miscellaneous uncatalogued material1
- Ikeda, Masuo, 1934-. Artist file: miscellaneous uncatalogued material1
- Ikemura, Mitsu. Artist file: miscellaneous uncatalogued material1
- Illinois Architectural Plans and Drawings1
- Illinois Surgical Supply Company Otoscope2
- Illuminated Islamic Scroll1
- Illuminated manuscript leaf1