Cummings, Keith. A history of glassforming / Keith Cummings. - London : Philadelphia : A. & C. Black ; University of Pennsylvania Press, 2002. - 186 p. : ill. (chiefly col.) ; 29 cm. Includes bibliographical references (p. 184) and index. ISBN: 0713652748 0812236475 (USA) Nat. Bib. No.: GBA1-X4637 Subjects--Topical Terms: Glass craft. LC Class. No.: TT298 / .C84 2002 Dewey Class. No.: 748