Bahr, Lauren S., ed. COLLIER'S encyclopedia: with bibliography and index - New York Macmillan Educational 1992 - 24V(v.1-lxxxviii, 628;v.2-780;v.3-782;v.4-764;v.5-726;v.6-7 - 6 . ISBN: 202744 Subjects--Topical Terms: Encyclopedia Dewey Class. No.: 32 / COL