'The Polite Postmaster' (1877)
1840 Penny Black Plates (ebook)
London GPO Christmas Card
1914, The General Post Offices own the railway
A Romance of the Post Office
Air mails from United Kingdom to Australia.
1660 (25 April) "An Act for erecting and establishing a Post-Office".
An engagement between a British Packet Boat and the French Privateer
Articles relating to Sunday deliveries
British & French Post Boxes (1835)