1. Evelyn, John. (1772). Fumifugium or the inconvenience of the aer and smoake of London, printed by W. Godbid for Gabriel Bedel and Thomas Collins, London, 1661; Reprinted for B. White at Horace's Head in Fleet Street.
2. Air Pollution I;Firket,1931
3. Air pollution in Donora, Pennsylvania; Epidemiology of the unusual smog episode of October, 1948. P.H.S. Division of industrial Hygiene;Schrenk,1949
4. Ministry of Health. (1954). Mortality and morbidity during the London fog of December 1952. Reports on Public Health and Related Subjects No. 95, H. M. Stationery Office, London.
5. Effects of inhalation of low concentrations of sulphur dioxide on man and other animals;Greenwald;Arch. Ind. Hyg. Occ. Med.,1954