1. Cholera: the geological theory Author(s): Lea, John, 1782-1862 Publication: [Cincinnati] : [T. Wrightson], [1851] Subject(s): Cholera -- etiologyWater SupplyUnited States
2. On the infectious origin and propagation of cholera Author(s): Bryson, Alexander, 1802-1869 Publication: London : W. Tyler, 1851 Subject(s): Cholera -- etiology