The first examples were streamlined, but in 1938 a non-streamlined version was also built.
The Power of the HSTs J Vaughan (Power Series)
The Power Of The 40s And Profile of The 40s OPC 2 Hardback Books
The Power of The A1s In The Oxford Publishing Co Range Hardback Book
THE POWER OF THE WARSHIPS JOHN VAUGHAN OPC RAILWAY BOOK
The Power of the Bulleid Pacifics by Creer Morrison OPC Hardback Revised 2001
The Power of The DUCHESSES Oxford Publishing Co Hardback Book
