I
- Idoux, Jno. R., copyright claimant. (1)
- Index Co., copyright claimant. (1)
- International Stereograph Co., copyright claimant, photographer. (2)
- International Stereograph Co., copyright claimant. (24)
- International Stereograph Co., photographer. (1)
- Iowa State College. Photo Section, copyright claimant. (2)
- Irish, E. W. (Elwood W.), copyright claimant. (2)