New York: Macmillan, 1948. Reprint. hardcover. 3 volumes. Tall thick 8vos, blue cloth (spines a touch darkened). New York: Macmillan, 1948-1954. Mixed but matching editions of the unabridged text. Neat ownership signatures and embossed stamp in each volume, still a very good solid set.
5000 illustrations - photos and drawings by Ernest John Donnelly - with descriptions on the same page. Volume I: 1954, Volume II: 1948, Volume III: 1949.