Washington, D.C: Dumbarton Oaks Research Library and Collection. 4to., pp.xxxi,288(text),unpaginated plates, grey cloth, gilt, 78 b/w maps, plans and drawings, 48 colour plates, 569 b/w plates; a very good, clean copy, in vg unclipped dust-jacket, which is toned to spine and lightly toned to margins - now in a protective cover.