title: "Pure and wholesome".
authors.forename: John D
authors.initials: JD
authors.lastname: Bullock
mesh_terms: D002771:Cholera / Q000266:history*; D002958:City Planning / Q000266:history*; D058872:Epidemics / Q000266:history*; D006801:Humans; D011634:Public Health / Q000266:history*; D014881:Water Supply / Q000266:history*