4 volumes bound in 1. [12], 264; 264, [16]; 403, [1]; [12], 444; 20 pp. Plus unpaginated index at rear. Illustrated title page, printed in black and red. Initials, head and tail pieces. Pages printed in double columns. (Folio) 35x21 cm (13½x8½"), modern calf and marbled boards, gilt-decorated spine, raised spine bands, new endpapers.
Title page with the ink stamp of St. Philip's Priory. The Summa Theologiae is the best-known work of Thomas Aquinas. Although unfinished, the Summa is "one of the classics of the history of philosophy and one of the most influential works of Western literature."