1. The water we drink: giving an account of the impurities to which it is liable, and the best methods of removing them Author(s): Gate City Stone Filter Co., author. Publication: New York : Gate City Stone Filter Co., [1885] Subject(s): Water SupplyDrinking WaterWater Purification -- methods
2. The efficacy of filters and other means employed to purify drinking water: a bacteriological study Author(s): Currier, C. Gilman (Charles Gilman), author Publication: [Philadelphia?] : [publisher not identified], [1889?] Subject(s): Water Purification -- methodsWater Microbiology