Signalling
CANDLER, J. E.; FOSTER, G. I. & SWEETENHAM, W. M.
Track & Lineside Signalling Circuits in A.C. Electrified Areas (British Practice)
The Institution of Railway Signal Engineers Booklet No. 17
CARDANI, A.
Multiple Aspect Signalling (British Practice)
The Institution of Railway Signal Engineers Booklet No. 14
CHALLIS, W.H.
Principles of the Layout of Signals (British Practice)
The Institution of Railway Signal Engineers Booklet No. 1
CHALLIS, W.H.
Holding the Route
The Institution of Railway Signal Engineers Booklet No. 16
CHALLIS, W.H.
Track Circuits (British Practice)
The Institution of Railway Signal Engineers Booklet No. 9
CHAMPION, Donald L.
Mechanical Signalling Equipment (British Practice)
The Institution of Railway Signal Engineers Booklet No. 10
COOMBS, L.F.E.
Footplate and Signals - The evolution of the relationship between footplate design and operation and railway safety and signalling
CURREY, J. H.
Automatic Warning Systems of Train Control and Trainstops
The Institution of Railway Signal Engineers Booklet No. 24
CURREY, J.H.
Block Instruments (British Practice)
The Institution of Railway Signal Engineers Booklet No. 12