Archdeacon Smythe, N. Chevalier(英语:N. Chevalier), J. C. Richmond(英语:J. C. Richmond), William Swainson(英语:William Swainson), Bishop Monrad(英语:Bishop Monrad), Sir
Hibbert, p. 8 Ridley, p. 18 Kuhn, p. 25 Blake (1967), p. 12 Bradford, p. 7 Blake (1967), p. 10 Bradford, p. 8 Richmond and Smith, p. 23 Glassman, p. 38 Disraeli
(2005) excerpt (页面存档备份,存于互联网档案馆). Coal Smoke Abatement Society Sir WilliamBlakeRichmond Public Health Act 1875 Clean Air Act 1956 London’s Great Smog, 60