South Australian proposal for simplifying mode of accounting, 1865-03-28 Unit ID: 120/408 Date: 1865-03-28
South Australia; report of Commission on working of Post Office, 1874-1875 Unit ID: 198/Pkt.419A/1875 Date: 1874/1875
South Australia, Western Australia, Victoria and Tasmania; parcel post established, 1885-1900 Unit ID: 419/Pkt.506M/1886 Date: 1885/1900