John Thomson & Adolphe Smith, 1877, Street Life in London, (London: Sampson Low, Marston, Searle and Rivington).
"While reducing the general death-rate, our recent sanitary legislation has called into existence a class of men who must of necessity be daily exposed to the gravest dangers. To the list of men who, by reason of their avocations, constantly face death to save us from peril, we must add the public disinfectors."
