Published: 1980
Total Pages: 1148
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Spine title: Encyclopaedia Britannica. Includes bibliographies. Propaedia: outline of knowledge and guide to the Britannica. 1 v.--Micropaedia: ready reference and index. 10 v.--Macropaedia: knowledge in depth. 19 v. Accompanied by supplement (2 v.) issued in 1994 uder the title: The Encyclopaedia Britannica supplement.