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
The B T H and North British Type 1 Bo-Bo Diesel-Electric Locomotives - British Railways Classes 15 and 16: Development, Design and DemiseAnthony P. Sayer
BR Swindon Type 1 0-6-0 Diesel-Hydraulic Locomotives—Class 14: Their Life in IndustryAnthony P. Sayer