The New Encyclopaedia Britannica. - 15th ed. - Chicago : Encyclopaedia Britannica, c1984. - 26 v. : ill. (some col.) ; 29 cm. Spine title: Encyclopaedia Britannica. Includes bibliographies. ISBN: 0852294131 (set) Subjects--Topical Terms: Encyclopedias. LC Class. No.: AE5 / .E363 1984