Classes 15 - 29
Associated Electrical Industries / Sulzer
Operating Manual British Railways Locomotives D5176 - D5299 and D7500 - D7677
CLARKE, David
Diesels in Depth - Classes 24/25
Department of the Environment
Railway Accident - Report on the Collision that occurred on 16th December 1971 at Lenton South Junction, Nottingham in the London Midland Region British Railways
Fatal head-on collision of a freight train hauled by Class 20s 8115 and 8142 with a parcels hauled by Class 25 7605. The extensive damage resulted in the withdrawal of 7605.
GLOVER, John
English Electric Traction Album
Review of English Electric locomotives and units in Britain at the end of the 1970s. Locomotive classes covered include 20, 31, 37, 40, 50, 55, 73, 83 and 86; unit classes 201 to 207, 302 to 310, 405 to 430, 502 and 504; shunters 08, 09 and 13.
HARESNAPE, Brian & BATTY, S.R.
Production Diesel-Electrics Types 1-3
British Rail Fleet Survey 4
NICOLLE, Barry J.
The Last Years of the Class 25s
NSPCC, Prestatyn District Clwyd Branch
Lledr Valley Express - Swan Song of Class 24's Saturday 19th February 1977
Railtour using 24087 and 24133 from Crewe to Llandudno, Blaenau Ffestiniog, Bangor and Holyhead.
OAKLEY, Michael
BR Class 20 Diesels
BR Classes Series
One of a series of booklets covering diesel locomotives with history and descriptions supported by photographs, timed workings and diagram. Search using 'BR Classes Series' for other volumes.