London, Dawson & sons 1968 Complete in 6 volumes: xxviii,163 + xv,160 + xiii,162 + xv,156 + x,197 + xxiii,269 pp.with numerous illustrations in-text & some plates out-of-text, volume 6 contains a.o. a general index of volumes 1 to 5, 1968-Reprint of the original edition (1930-1955), uniform editor's hardcovers, spines in blue cloth with gilt lettering, few corners slightly bumped, 32cm., "issued only to subscribers", very good condition, S84189