Controlled DigestionHarry E. Schlenz · Sewage Works Journal · 1944

The President SpeaksHarry E. Schlenz · Journal (Water Pollution Control Federation) · 1962

Important Considerations in Sludge Digestion. Part I. Practical AspectsHarry E. Schlenz · Sewage Works Journal · 1947

Loading to Failure of a Pilot High-Rate Digester [with Discussion]Wilbur N. Torpey, Harry E. Schlenz, H. Heukelekian and Henry R. King · Sewage and Industrial Wastes · 1955

Sedimentation of SewageRoyal E. Rostenbach and Earle L. Waterman · Sewage Works Journal · 1943

Operation Records and What They MeanKenneth Morkert · Sewage Works Journal · 1940

Some Observations on Sewage SedimentationNorman C. Wittwer · Sewage Works Journal · 1940

Sewage Works RecordsP. J. Kleiser · Sewage Works Journal · 1940

Sewage Gas Utilization SystemsL. L. Langford · Sewage Works Journal · 1940

Proceedings of Local AssociationsSewage Works Journal · 1940

Back MatterSewage Works Journal · 1940

Treatment and Control of Industrial WastesMilton P. Adams · Sewage Works Journal · 1941