The New encyclopaedia Britannica / Encyclopedia Britannicaedited by Robert McHenry - 15th ed. - Chicago : Encyclopedia Britannica Inc., c1993. - 32 v. : ill. (some col.), m p. : ill., maps. ; 29 cm. ISBN: 0852295715 LCCN: Subjects--Topical Terms: Encyclopedias and dictionaries LC Class. No.: AE5 / .E363 1993