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- IBBETSON, John Thomas
- ICENI BOTANICAL ARTISTS
- IKIN, Elizabeth
- ILSLEY, Anna
- INCE, Evelyn Grace
- INDER, Frederick Leighton
- INGELOW, George Kilgour
- INSPIRED BY BECKER ART SOCIETY
- INSTITUTE OF EAST ANGLIAN ARTISTS
- IPSWICH ART GALLERY
- IPSWICH ART SOCIETY
- IPSWICH ARTISTS' SOCIETY
- IPSWICH ARTS ASSOCIATION
- IPSWICH FINE ART and INDUSTRIAL EXHIBITION
- IPSWICH FINE ART CLUB
- IPSWICH SCHOOL OF ART
- IPSWICH SCHOOL OF SCIENCE AND ART
- IPSWICH SOCIETY OF PROFESSIONAL & AMATEUR ARTISTS
- IRVING, Eleanor
- IRVING, Ernest Copeland
- IRVING, Valerie
- IRWIN, Valerie
- IVANYI, Jocelyn Entwisle
- IVES, Betty Fisher
- IVES, Ernest
- IVES, Leonard George
- IVESON, Julie