Grolier encyclopedia of knowledge volume 2; edited by:Lorimer Lawrence T. and Hacker Jeffrey H. - Dunburry, Conn. : Grolier Inc., 1991. - 415 pages; illustrations 23 cm - volume 1-20 . ISBN: 0717253007 0717253023 Subjects--Topical Terms: Encyclopedias and dictionaries. Dewey Class. No.: 030 / G89