The new encyclopedia Britannica. (Chicago Encyclopedia Britannica, 1978)
[1] Propaedia: outline of knowledge and guide to the Britannica.--[2] Micropaedia: ready reference and index. 10 v.--[3] Macropaedia: knowledge in depth. 19 v.
The Micropaedia and Macropaedia are numbered v. 1-10 and v. 1-19, respectively.
Keywords: Encyclopedias and dictionaries