The New Encyclopaedia Britannica (Guide to the Britannica) Propaedia Outline of Knowledge - Jacob E.Safra; Jorge Aguilar (Chicago, 2005)
- v. [30] Propaedia : Outline of knowledge : guide to the Britannica -- v. [31] Index, A-K -- v. [32] Index, L-Z.
Keywords: Encyclopedias and dictionaries