British Rail Train-Crew Manual - Push - Pull Trains
and Driving Van Trailers - Drivers General Information, Driving Instructions,
Drivers Static Duties
and Drivers Fault Finding Data.
Issue Date September 1990 - BR
33056/296 - Issue 1.
More information can be found here
Wikipedia - BR Driving Van Trailer
Information relating to privately owned AC Locomotives can be found
The A C Loco Group &
Electric Traction Ltd.