Template:Robertson-TwoFeet
Robertson, Leslie S.; Neale, Andrew (1988). Narrow Gauge Railways - Two Feet and Under (2nd ed.). Croydon, Surrey: Plateway Press. ISBN 0-9511108-4-5.
Robertson, Leslie S.; Neale, Andrew (1988). Narrow Gauge Railways - Two Feet and Under (2nd ed.). Croydon, Surrey: Plateway Press. ISBN 0-9511108-4-5.