Многие данные взяты из книги: Martin V. Melosi. Garbage in the Cities.
67
Lewis Mumford. The City in History: Its Origins, Its Transformations, and Its Prospects. New York: Harcourt, 1961, 447.
68
Richard H. Steckel, Roderick Floud. Health and Welfare During Industrialization, National Bureau of Economic Research project report. Chicago: University of Chicago Press, 1997, 93.