^Rob Roy: how to build a simple 3+1⁄2 in (89 mm) 0-6-0T locomotive based on the dockyard engines of the old Caledonian Railway. Hemel Hempstead: Model and Allied Publications, 1972 (112 p). Rev ed: 1979
^Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, No.3, London Midland and Scottish, Ian Allan, 1966, p. 166