Additional yearly voyage for Australian mail service, 1867-12-03 Unit ID: 128/382-83 Date: 1867-12-03
Address of South Australian House of Assembly on Australian mail contract, 1865-10-19 Unit ID: 122/297 Date: 1865-10-19
Adherence of Australian colonies to Vienna Postal Convention, 1891-11-22 Unit ID: 185/247-50 Date: 1891-11-22
Adherence of New Zealand to penny postage scheme from 1901, 1900-11-15 Unit ID: 200/410-15 Date: 1900-11-15