Book No. 14, 1963.
The Institution of Railway Signal Engineers, Circuits for Colour Lighting Signal
Institution of Railway Signal Engs. Signal Control Circuits, 1968
1953 - 1954 Institution of Railway Signal Engineers Journal Proceedings Book
1935 - 1936 Institution of Railway Signal Engineers Journal Proceedings Book
1932 - 1934 Institution of Railway Signal Engineers Journal Proceedings Book
c1950s Institution of Railway Signal Engineers Proceedings x16 Signalling
