Browse Archival Series - I
- Iandra Lodge, Former residents' files (incomplete) (1975 - ?)
- Iandra Methodist Rural Centre, Former residents' files (incomplete) (1956 - 1974)
- Iandra Methodist Rural Centre, Letter Books (1960s)
- Immigrant Children's Files [School Attendance/Licensing Branch, Department of Community Services] (1947 - 1976)
- Immigrant Children's Index [School Attendance/Licensing Branch, Department of Community Services] (1940? - 1960?)
- Immigrant Children's Registers [School Attendance/Licensing Branch, Department of Community Services] (1967 - 1970)
- Immigration Files (1946 - 1974)
- Immigration Nomination (Minor 'E') Files [School Attendance/Licensing Branch, Department of Community Services] (1962 - 1976)
- Immigration Photographic Archive 1946 - today
- Index Cards Relating To Institutional Inmates (1958 - 1986)
- Index To Admissions And Discharges (1852 - 1913), Benevolent Society of New South Wales
- Index To Admissions And Discharges (1932 - 1937), Benevolent Society of New South Wales
- Index to Histories of Aborigines Children
- see Indexes to Ward Registers (1916 - 1938), Board for the Protection of Aborigines
- Index to Minutes of meetings of the Aborigines Welfare Board (1946 - 1969)
- Indexes to Ward Registers (1916 - 1938), Board for the Protection of Aborigines
- Individual Case Files (1970 - 1994), St Saviour's Children's Home
- Infants' Hospital History Book (c. 1911), Benevolent Society of New South Wales
- Information forms (1980 - 1997), Kemblawarra Child and Family Centre
- Inmate Punishment Book [Unidentified] (1959 - 1972)
- Inmates Journals (1852 - 1913), Benevolent Society of New South Wales
- Inmates' Register (1891 - 1906), Newcastle Maternity and Rescue Home
- Inmates' Register (1892 - 1906), Newtown Maternity and Rescue Home
- Inmates' Register (1927 - 1985), Bexley Boys' Home
- Inmates' Register (1928 - 1936), Gill Memorial Home for Boys and Dee Why Home for Boys
- Inspectors' Diaries (1916 - 1922)
- Institutional files ([I] "B" files) [Yawarra Training School for Boys, Kurri Kurri] (1969 - 1981)