1. On the relation of moisture in air to health and comfort Author(s): Briggs, Robert, 1822-1882 Publication: Philadelphia : Wm. P. Kildare, Printer, 1878 Subject(s): VentilationRespirationHumidityUnited StatesEngland
2. On the relation of moisture in air to health and comfort Author(s): Briggs, Robert, 1822-1882, author Publication: [Philadelphia?] : [publisher not identified], [1878?] Subject(s): VentilationRespirationHumidity
