6 volumes. Maps throughout, including several folding. (8vo) 8½x5½, contemporary ½ black morocco, marbled boards, raised bands, gilt spine decorations, top edges gilt. Bound by Zaehnsdorf. Volumes 1 & 2, Third Revised Edition; Volumes 3 & 4, Second Revised Edition; Volumes 5 & 6, First Edition.

One of the most enduring works of history from the Victorian era.