Gerhard, Wm. Paul

1854 – 1927

• Modern baths and bath houses
• Gas-lighting and gas-fitting
• Hints on the drainage and sewerage of dwellings
• Recent practice in the sanitary drainage of buildings
• Sanitary engineering
• Sanitary engineering of buildings
• Sanitation and sanitary engineering
• The American practice of gas piping and gas lighting in buildings
• The disposal of household wastes ..
• The disposal of sewage of isolated country houses
• The sanitation of bath houses
• The superintendence of piping installations in buildings