City officials tour new interceptor sewer, 1953
Plan for the Collection, Treatment and Disposal of Sewage, 1914
Pennypack Sewage Treatment Works, 1914
Outside Sprinkling Filters, Spring Garden Sewage Experiment Station, 1911
Devereaux Street Sewer, Philadelphia magazine, 1911
Bingham Street Sewer, East of Tacony Creek, 1921
