THE WORLD BOOK ENCYCLOPEDIA.  Vol. 1-12 Editor-in-chief: M. V. O'Shea. Editor for Canada: George H. Locke. © on new matter & revisions; 4Nov29, A14757; 21Nov29, A16918-16919; 9Dec29, A16920-16921; 10Dec29, A16922; 3Feb20, A19434; 10Feb30, A19520; 28Feb30, A20056; 12Mar30, A20417; 14Mar30, A20485; 17Mar30, A21239. Field Interprises, Inc. (PWH); 29Apr57; R191004-191015.