1. Sandwich mineral springs Author(s): Duffield, Samuel P., author Publication: [Sandwich, Ontario?] : [publisher not identified], [1869?] Subject(s): Mineral Waters -- analysisMineral Waters -- therapeutic useNatural Springs -- analysisBalneologyOntario
2. The medical properties of the St. Catharines mineral waters Publication: St. Catharines : H.F. Leavensworth's "Herald" power press, 1863 Subject(s): Mineral Waters -- therapeutic useHealth ResortsOntario
