WORKING INSTRUCTIONS FOR A C ELECTRIFIED LINES. PUBLISHED IN 1975 BY BRITISH RAIL A CARD COVER BOOKLET OF 56 PAGES.
British Railways Working Instructions 1952
British Railways Working Instructions For AC Electrified Lines 1986 B.R. 29987
British Railways Working Instructions for A.C. Electrified Lines 1975 Railwayana
British Railways Working Instructions For A.C. Electrified Lines 3rd May 1975
British Railways Working Instructions for A.C. Electrified Lines 1967
