Collection
- IAWA Small Collections,4
- IAWA: International Archive of Women in Architecture Records2
- Ignorance Club collection2
- Ilse Adelman Diaries2
- Independent Order of Odd Fellows. Olean Lodge No. 471 (Olean, N.Y.) Records1
- Independent Order of St. Luke Records12
- Industrial Collieries Corporation, Preston Division, Map of Mine 211
- Inge Horton Architectural Collection104
- Ingleside Book Club Records1
- Institute for the History of Technology and Industrial Archaeology Records50
- Institute for the History of Technology and Industrial Archaeology, Records regarding Blair Mountain1
- Institute on the Teaching of Latin Records2
- Instructive Visiting Nurses Association records21
- Intercollegiate Athletics Records3
- Intercollegiate Athletics records2