Dated May 1974.
1966 British Rail ( Southern Region ) Electrified lines Instructions D C system
British Rail Southern Region Electrified Lines Instructions Book 1966 + BR 30106
BRITISH RAIL SOUTHERN REGION ELECTRIFIED LINES INSTRUCTIONS & DRIVER'S GUIDE
British Rail Southern Region Electrified Lines Instructions Booklet 1966
1979 British Railways Southern Region Electrified Lines Control In an Emergency
1971 British Rail Southern Region No.21 Supplementary Operating Instructions
