BAKER, Michael H.C.
London Transport - 1933 - 1962 / Since 1963
Ian Allan Transport Library
Two volume chronological work from the establishment of London Transport in 1933, first published in 1996/7:
"London Transport 1933-1962";
"London Transport Since 1963"
BLOOMFIELD, G. T. & COLE, J. P.
The Early Aircraft Industry / Undeground Railway Systems
University of Nottingham - Survey, December 1962
Two of the main articles in this University of Nottingham Journal.