The New Encyclopaedia Britannica. Encyclopedias and dictionaries. 031 Spine title: Encyclopaedia Britannica. Propaedia: outline of knowledge and guide to the Britannica. 1 v. -- Micropaedia: ready reference and index. 10 v. -- Macropaedia: knowledge in depth. 19 v. Chicago : Encyclopaedia Britannica, c1982. c1982. Text 30 v. :