London: Longmans, Green and Co., 1917-1924. Two volumes. Folios. Volume 1 is number 510 of 550 numbered copies; volume 2 is number 41 of 50 numbered copies. 34 color plates, 28 collotypes, and 52 halftones in total. Volume 1: Boards slightly scuffed and worn, lightly creased along the top edge of the first 40 or so pages; a very good copy in gilt-stamped burgundy boards. Volume 2: Boards a bit soiled, intermittent foxing, including a bit the edges of some plates; a sound, very good copy in burgundy boards.