London: Printed for W. Strahan; and T. Cadell, 1788-1789. [Late Antiquity] COMPLETE QUARTO EDITIONS. First three volumes 'New Edition', final three volumes are First Editions. Complete in six volumes. Quarto (29 x 23 x 31cm), pp.[4] xx; 704; pp.[14] 640 [2]; pp.[14] 640 [2]; pp.[6] xvi; 620 [2]; pp.[14] 684 [2]; pp.[16] 646 [54]. With a copper engraved portrait of the author and a folding map to volume I, as well as two maps to volume II. Half titles to volumes II to VI. General index and errata to volume VI. Re-backed in the twentieth century in tan calf, with raised bands, gilt titles and decoration, and original full diced calf boards with gilt ruling. Marbled endpapers. Armorial bookplates of Lambton Castle library, and a separate typographic bookplate of J. Roberts, to the front pastedown of each volume, with additional blue ink note of provenance to Roberts book plate in volume I. Spotting to frontispiece and occasionally throughout. Overall crisp and clean internally. Small…