1. The Royal Commission on Environmental Pollution: 1970.
2. Committee on Air Pollution: 1954, The Final Report on the Beaver Committee, HMSO.
3. Royal College of Physicians: Air Pollution and Health: 1970.
4. Waller, R.E.: 1978, Control of Air Pollution: Present Success and Future Prospect, in A.E. Bennett (ed.). Recent Advances in Community Medicine, Chp. 4.
5. Donaldson, R.J. OBE: 1974, Air Pollution and Health: A Teesside Report.