Robert F., Fairlie (1872). Railways or no railways. Narrow Gauge, economy with efficiency. v. Broad Gauge, costliness with extravagance AKA The Battle of the Gauges Renewed. London, England: Effingham Wilson. OCLC 4871409.
Note:- taken from reference notes in American Narrow Gauge Railroads, by George Woodman Hilton. Railways or No Railways: Narrow Gauge, Economy with Efficiency v Broad Gauge, Costliness with Extravagance (London, Effingham Wilson, 1872) p.40. The spine of this book is lettered "The Battle of the Gauges", and the cover "The Battle of the Gauges Renewed, 1872"