|aThe Micropaedia and Macropaedia are numbered by the publisher v. 1-10 and v. 1-19 respectively.
504
|aIncludes bibliographies.
505
0
|a1]-[10] Micropaedia: ready reference and index.--[11] Propaeia: outline of knowledge and guide to the Britannica.--[[12]-[30] Macropaedia: knowledge in depth.