1. Don't leave it all to the experts Publication: [Washington, DC] : Public Health Service, [1969] Subject(s): Air Pollution -- prevention & controlCommunity ParticipationUnited StatesUnited States.
2. Draft of a metropolitan sanitary code: reported to the Committee on Internal Hygiene Author(s): Clark, Henry G. (Henry Grafton), 1804?-1892 Publication: Boston : Rand & Avery, [1859] Subject(s): Sanitation -- legislation & jurisprudenceUnited States