Cambridge: Harvard University Press, 1967. Two volumes, the set, 8vo.,pp. x,450; vi,427, burgundy cloth, gilt, b/w frontispiece to volume I and pictorial/map endpapers to rear of volume II; neat ownership autpgraph to front free endpaper of both volumes, otherwise near-fine, in very good unclipped dust-jackets, lightly rubbed to extremities and lightly sunned to spines, two closed tears along rear hinge of volume II.