http://pec.lib.wvu.edu/record/P9351929The Whiteware industry of West Virginia : a technical survey.Monograph. "With descriptive articles on The Manufacture of vitrified hotel china by E. K. Koos and The Manufacture of ceramic floor and wall tile by Kenneth E. Buck." Issued as: <em>West Virginia University. Engineering Experiment Station. Research bulletin</em>, no. 5 and: <em>West Virginia University College of Engineering bulletin, </em>Series 14, no.7 (1929:June). Koehler, W. A. (Walter Allos), 1893-Porcelain--West Virginia.14256