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Oxford English Dictionary, 'mad as a hatter, phrase.'
American Chemical Society, 'Alice Hamilton and the Development of Occupational Medicine' (National Historic Chemical Landmark)
New England Historical Society, 'The Mad Hatters of Danbury, Conn.'
Workers' Health Bureau of America (1925), citing Alice Hamilton's 1922 study: 'of 100 union hatters of Danbury, Conn., examined by experts, 43 had mercury poisoning... Boys 20 and 21 years old are already so badly poisoned that their hands shake continually, while many of the men who have served longer at the trade cannot even feed themselves.'
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Neal PA, Jones RR, et al. A study of chronic mercurialism in the hatters' fur-cutting industry. U.S. Public Health Service / Public Health Bulletin No. 234 (1937) and Bulletin No. 263 (1941).
Wedeen RP. Were the hatters of New Jersey 'mad'? Am J Ind Med. 1989;16(2):225-233.
Connecticut History (CTHumanities), 'Ending the Danbury Shakes' — USPHS negotiated agreement among hatters' unions and manufacturers in 26 states; CT Gov. Robert A. Hurley announced the ban Dec 1, 1941; hydrogen peroxide replaced mercury.
US EPA. Asbestos Hazard Emergency Response Act (AHERA), Public Law 99-519, 1986.
US GAO. Asbestos in Schools: A Dilemma. Report GAO/HRD-83-31, 1983.
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