found: Work cat.: 98192704: Grizel, R.A. American slag glass, c1998.
found: Penguin dict. decor. arts(slag glass: glass, of various colors, with a proportion of slag from iron foundries; widely manuf. in the 19th c. and in the USA)
found: AAT, Sept. 24, 2007(marbled glass; pink-slag glass)
found: Whitehouse, D. Glass: a pocket dictionary, c2006:p. 53 (marbled glass; glass decorated with streaks of two or more colors, resembling marble) p. 78 (slag glass, see: marbled glass)
found: Web. 3(slag glass: an opaque marbled glass)