Browse Archival Series - I
- Immunisation Books (1960 - 1964), Queensland Government-run Institutions
- Incidents Reports Books (c. 1950 - c. 2001), Queensland Government-run Juvenile Detention Institutions
- Index to Admission Registers to Diamantina Orphanage (1865 - 1905)
- Indexes to Admission Registers (1866 - 1905), St Vincent's Home, Nudgee
- Indexes to Admission Registers (1879 - 1911), Townsville Orphanage
- Industrial and Reformatory School for Boys, Admission Registers (1871 - 1906)
- Industrial and Reformatory School for Girls, Toowoomba, Diary of discharges (1882 - 1903)
- Industrial and Reformatory School for Girls, Toowoomba, Letterbooks (1881 - 1895)
- Industrial School for Girls, Toowoomba, Admission Register (1881 - 1903)
- Investigation Files (Westbrook Training Centre) (1971 - 1994)
- Isolation Book
- see Isolation Registers, Queensland Government-run Juvenile Detention Institutions
- Isolation Register (1993 - 1994), Westbrook Youth Detention Centre
- Isolation Registers, Queensland Government-run Juvenile Detention Institutions
- Isolation Registers (1870? - 1989?), Queensland Government-run Institutions
- Isolation Registers (c. 1950 - c. 2001), Queensland Government-run Juvenile Detention Institutions