British Rail Train-Crew Manual - Class 37 - Refurbished  Locomotives - Drivers Fault Finding Data
Issue Date August 1985   -   BR 33056/111 Issue 1 - To Supplement BR 33056/11 until Reprinted.


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