Turner, E. J., Neeson, J. H., Vaughan, H. B. 1., & Wolman, A. (1941). Water pollution abatement in the Delaware River Basin: With special reference to the city of Philadelphia. Philadelphia: Commission.

Turner, Ellwood Jackson, John Henry Neeson, H. B. 1888- Vaughan, and Abel Wolman. Water Pollution Abatement in the Delaware River Basin: With Special Reference to the City of Philadelphia. Philadelphia: Commission, 1941.

Turner, Ellwood Jackson, John Henry Neeson, H. B. 1888- Vaughan, and Abel Wolman. Water Pollution Abatement in the Delaware River Basin: With Special Reference to the City of Philadelphia. Philadelphia: Commission, 1941.