British Rail Train-Crew Manual - Class 37 -
Drivers Fault Finding Data And Charts - Dual Braked Locomotives
Issue Date: Unknown - BR 33056/11.
More information can be found here
Wikipedia - British Rail Class 37
The Class 37 Locomotive
Group
More Information Regarding Preserved Class 37 Locomotives can be
found on the following websites:
Preserved-Diesels
SRPS Diesel Group