Great Western: Small-Wheeled Double-Framed 4-4-0 Tender Locomotives: Duke, Bulldog, Dukedog and '3521' ClassesDavid Maidment
Great Western: County Classes: The Churchward 4-4-0s, 4-4-2 Tanks and Hawksworth 4-6-0sDavid Maidment
Great Western: Large Wheeled Outside Framed 4-4-0 Tender Locomotives: Atbara, Badminton, City and Flower ClassesDavid Maidment
The North British Type 2 Bo-Bo Diesel-Electric Classes 21 & 29: Design, Development and DemiseAnthony P. Sayer
The Metropolitan-Vickers: Type 2 Co-Bo Diesel-Electric Locomotives: From Design to DestructionAnthony P. Sayer
The Clayton Type 1: Bo-Bo Diesel-Electric Locomotives—British Railways Class 17: Development, Design and DemiseAnthony P. Sayer