First edition, fifth, fifth and fourth impressions respectively. Three volumes. 8vo. Publisher's red cloth, gilt lettered to the spines, top edges red, dust jackets, that of volume I stated sixth impression and price clipped, the other two unclipped, discreet contemporary ownership inscriptions to the front pastedowns of the last two volumes. Folding red and black maps at the end of each volume. Spines of volumes II and III slightly slanted, jackets with some fading and wear, that of volume III with a split along the upper joint repaired with tissue on the verso.