Great Britain. Post Office
Handbook for radio operators working installations licensed by the Home Office
British Postal Guide
General instructions for deputy post masters
Post Office Guide
Report Of The Postmaster General On The Post Office, Volumes 32-39
Report Of The Postmaster General On The Post Office, Volumes 32-42
To all postmasters in Canada
A report to the Postmaster General upon certain proposals which have been made for transferring to the Post Office the control and management of the electric telegraphs throughout the United Kingdom, July 1866
An advertisement from Henry Byshop esquire, his Majesties post-master generalBritish Postal Guide
Broadcasting
Establishment of a line of Canadian mail packets