"12. Liège, A. Beyers (Amsterdam, Daniel Elzevier), 1667, 2 vols in-12°, (28) + 430 pp + (2)(bl) ; 495 pp + (2)(bl), uniform brown 19th century full polished calf, triple gilt fillet on both covers, raised back with gilt ornaments and two labels, all edges gilt, marbled endpapers, ex-libris L. Veydt, nice copies. Willems 1377, Cioranescu III, 51251, Berghmann Supplement 364. As in most copies without an index leaf covering both volumes. The author was together with Arnaut and Pascal one of the main figures in the Jansenist movement at Port-Royal and a vehement opponent of the Jesuits."