Oxford: Basil Blackwell, 1960. 4th printing. Hardcover. Vol I: 206p. Vol II: 242p. Two very good hardcover books in very good dustjackets. Jackets price-clipped, jackets somewhat faded, small stamp on endpaper of Volume II, otherwise clean and tight. Item #150829
Complete in 2 Volumes: First Series (1960) and Second Series (1961).