Automatic Train Control / Automatic Warning System - The British Railways Standard System
Booklet explaining the system with colour diagrams. First issued under the title of Automatic Train Control and subsequently reissued as Automatic Warning System with a 1959 rear page update.
British Railways (Western Region)
Synopsis of Course of Instruction on the subject of safe working of railways and the appliances used in connection therewith for the use of students of the signalling class
British Railways Eastern Region (Great Eastern)
Compendium of Hours or Opening of Signal Boxes [and] Route Availability of Diesel Locomotives and Travelling Steam Cranes, 6th November 1961