Richard, I would suggest you peruse John K. Crellin's "Alcoholism and Drug Addiction in the 'Nineties: An American in London," British Journal of Addiction 75 (1980): 153-62, which discusses the role of Oscar C. Dewolf in establishing the Keeley Institute in London. The Keeley "cure" for alcoholism relied on gold as a curative. David W. Gutzke