London Transport Section 5 of Appendix to Rule Book 1978
London Transport Railway Appendix Section 4 General Signalling Regulations 1977
London Transport Annual Report 1996-7
1966/7 North Harrow 3/4 & Victoria 3/3 Tickets London Transport Underground LTB
LT Underground Kings Cross (A) Ticket 7/- Edmondson London Transport Executive
Vintage Transport Tickets Mainly Railway + Bus London Transport Ephemera Cards
