found: Britannica Macro.:v. 8, p. 201.
found: FGMA glazing manual, 1986:p. ii (Flat Glass Marketing Association) p. 1 (categories of flat glass given as float glass, sheet glass, plate glass and rolled glass)
found: Glass engineering handbk, 1984:p. B-6 (flat glass, a general term covering sheet glass, plate glass, float glass and various forms of rolled glass)
found: Persson, R. Flat glass technology, 1969:p. 76 (flat glass classified as clear sheet glass, polished plate glass, float glass, rolled glass and other categories)
found: Web. 3.
found: Phone call to Virginia Wright, Corning Museum of Glass, 12/07/92(flat glass would include plate, crown, and float glass)
found: LC data base, 12/08/92.
