Plumbing in 1991

Plumbers and Pipe Fitters Library, Volume 1: Materials, Tools, Roughing-In by McConnell, Charles N.

Plumbers and Pipe Fitters Library, Volume 2: Welding, Heating, Air Conditioning by McConnell, Charles N.

Plumbers and Pipe Fitters Library, Volume 3: Water Supply, Drainage, Calculations by McConnell, Charles N.

Audel Questions and Answers for Plumbers' Examinations by Oravetz, Jules

Wells and Septic Systems 2/E by Alth, Max, Duncan, S. Blackwell, Alth, Charlotte