1. Report of the Board of Health of the District of Columbia on the matter of the improvement of the sewerage of Washington Author(s): District of Columbia. Board of Health, author. Publication: [Washington, D.C.?] : [publisher not identified], [1878?] Subject(s): Sanitary EngineeringSewageDistrict of Columbia
2. Ordinances as revised, amended, and adopted by the Board of Health, November 19, 1875 Author(s): District of Columbia. Board of Health, author. Publication: [Washington, D.C.] : [publisher not identified], [1880?] Subject(s): Public Health -- legislation & jurisprudenceSanitation -- legislation & jurisprudenceDistrict of Columbia
