London: A. Millar, 1750 [but 1749]. [Fourth Edition]. 4 volumes; 12mo (16.75cm.); full contemporary double gilt-ruled calf, gilt-tooled spines in 6 compartments, red and black spine labels. Boards a bit rubbed, shallow oxidization stain to bottom edge of Vol. 4 affecting approximately 25 middle leaves, else a Very Good, attractive set. Fourth edition published in December of 1749, the same year as the first. ESTC N17090.