The new encyclopaedia britannica macropaedia ready reference and index / [Book] : Encyclopaedia Britannica. University of chicago. - 15th ed. - Chicago : William Benton, 1979. - 1048p. : ill. (some col.), maps (some col.) ;. - 1 . All. ISBN: 0852293399 Subjects--Topical Terms: Encyclopedias and dictionaries. Subjects--Index Terms: 29 cm. Dewey Class. No.: 030