References
- Coal Mines Act. 1911.
- Ministry of Fuel and Power (1947) Memorandum on the Coal Mines (Lighting) General Regulations 1947. M.&Q. Form No. 136.
- Ministry of Fuel and Power (1949) Coal Mines (Lighting and Contraband) General Regulations. Safety Circular No. 169.
- Statutory Instruments (1949) Coal Industry. The Coal Mines (Lighting and Contraband) General Regulations, 1949. S.I. No. 924.
- Statutory Rules and Orders (1947) Coal Mines (Lighting) General Regulations, 1947. S.R. & O. No. 972.
- Ministry of Fuel and Power (1946) Underground Photography and Cinematography. Safely Circular No. 140.
- Grice, C. S. W. and Russell. G. A., Still Photography in Coal Mines, Safety In Mines Research Establishment Research Report No. 53. November, 1952.