Signalling
MITCHELL, D. L.
Railway Signalling Power Supplies (British Practice)
The Institution of Railway Signal Engineers Booklet No. 11
MOTT, J. E.
Train Describers (British Practice)
The Institution of Railway Signal Engineers Booklet No. 13
NICHOLSON, Mick
Constructing & Operating Semaphore Signals
Mainline Modelling No. 1
POPE, R.
Signalling the Layout - British Railways Practice
The Institution of Railway Signal Engineers Booklet No. 27
PRYER, G.A.
Signal Boxes of the London & South Western Railway - A Study of Architectural Style
Oakwood Series X68
