British Railway Carriages of the 20th Century / The History of British Railway Carriages 1900 - 1953
Volumes 1 & 2
Fine study of carriages, originally intended as a three volume set. Only two have been published taking the history up to 1953.
Volume 1: The end of an era, 1901-22;
Volume 2: The years of consolidation, 1923-53