Mowery, Irvin C.; Turner, M. T.; Gooch, Dale; Williams, Jack C.; Hailey, R. B.; Robinson, Tom(United States Department of Agriculture, Soil Conservation Service, 1961)
Committee on Standardization of the Heating and Piping Contractors National Association(New York, New York: Committee on Standardization of the Heating and Piping Contractors National Association, 1923)