- Icart, Louis. Artist file: miscellaneous uncatalogued material1
- Icarus1
- Ice Family Genealogy and Other Material, 1929/19321
- Ice Skate Company Account Book, 1859/18652
- Ice cream disher, 18781
- Ice's Ferry History and Genealogy Typed Documents, 19201
- Icelandic Sheepdog Association of America Records, 2000/20169
- Ichihashi, Taro, 1940-. Artist file: miscellaneous uncatalogued material1
- Ichikawa, Tazuko. Artist file: miscellaneous uncatalogued material1
- Ida Boucher, Letters of Wife of West Virginia University President, 1935/19361
- Ida Libby Dengrove sketches, 1972/198762
- Ida Marion Gilliam Diaries, 1905/191510
- Ida Martin Diary, 18782
- Ida Powell Dulany Diary, 1861-18651
- Ida, Shoichi. Artist file: miscellaneous uncatalogued material1