London: George Routledge and Sons Limited, 1922. In two volumes. First edition. Folio. Profusely illustrated with color and black and white photographs. Quarter navy blue pebbled leather over navy blue pebbled cloth, stamped in blind and in gilt, spine ends rubbed. Ex-library with book-plate on front paste-down of each volume, penciled number on rear free endpaper, small paper label at foot of spine of first volume.