Yorkshire & The Humber
CONN, Henry
British Buses, Trams and Trolleybuses 1950s - 1970s: The North East, East Yorkshire & Durham
British Buses, Trams and Trolleybuses 1950s - 1970s: Their Operators and their vehicles. Part 4
CONN, Henry
British Buses, Trams and Trolleybuses 1950s - 1970s: South and West Yorkshire
British Buses, Trams and Trolleybuses 1950s - 1970s: Their Operators and their vehicles. Part 5
County Borough of Huddersfield
Passenger Transport Department - History of Undertaking 1882 - 1952, 70 Years of Operation
DENHAM, J. R. & WITTON, A.M. (eds.)
Buses of South & East Yorkshire
Fleetbook No. 2