1. Regulations governing plumbing, house drainage and the ventilation of house sewers in the District of Columbia Author(s): District of Columbia. Health Department, author. Publication: Washington, D.C. : Judd & Detweiler, 1881 Subject(s): Public Health -- legislation & jurisprudenceSanitation -- legislation & jurisprudenceSanitary Engineering -- legislation & jurisprudenceVentilationDistrict of Columbia
