Petition for mail for Port Phillip to be landed directly by Sydney packet, 1845-05-20 Unit ID: 50/370-72 Date: 1845-05-20
Petition from Melbourne for direct mail service from England, 1846-08-11 Unit ID: 55/258-59 Date: 1846-08-11
Pitcairn Island; establishment of Post Office; mail services, 1901-1939 Unit ID: 684/Pkt.121A/1900 Date: 1901/1939
Plan of Anderson for postal communication with Australia, 1855-02-10 Unit ID: 86/277-97 Date: 1855-02-10
P.& O. Co. tender for Australian mail packet service, 1865-04-27 Unit ID: 121/96-103 Date: 1865-04-27