1. Observations upon the importance and means of ventilation Author(s): Conn, G. P. Publication: Concord : Parsons B. Cogswell, State Printer, 1882 Subject(s): VentilationHeatingRespiration
2. The properties of air relating to ventilation and heating Author(s): Briggs, Robert, 1822-1882, author Publication: Philadelphia : Merrihew & Lippert, 1881 Subject(s): Air -- analysisVentilationHeatingRespiration
