1. Cholera and the water supply in the south districts of London, in 1854 Author(s): Snow, John, 1813-1858 Publication: London : T. Richards, 1856 Subject(s): Cholera -- transmissionWater SupplyLondon
2. On the mode of communication of cholera Author(s): Snow, John, 1813-1858 Publication: London : J. Churchill, 1849 Subject(s): Cholera -- transmission
