1. Mechanical appliances in town sewerage Author(s): Waring, George E. Jr. (George Edwin), 1833-1898 author Publication: [Philadelphia?] : [publisher not identified], [1886?] Subject(s): Drainage, SanitarySanitary Engineering
2. The drainage question in Philadelphia: a public lecture delivered June 12, 1885 at the hall of the College of Physicians of Philadelphia, by invitation of the Committee on Hygiene of the County Medical Society Author(s): Waring, George E. Jr. (George Edwin), 1833-1898 Publication: [Philadelphia : s.n., 1885] Subject(s): Drainage, SanitaryPhiladelphia
