FISEN (Barthélemy). Historia Ecclesiae Leodiensis. Ens. 2 vols. Liège, Joannis Tournay, 1642. In-4 (31,5 x 20), contemporary full calf, 5-ribbed spine, decorated compartments, red edges. Significant wear to the binding, false title page detached and without the title engraved by Michel Natalis. Also included VAN DEN STEEN. Essai historique sur l'ancienne cathédrale de St-Lambert à Liège (Liège, printed by H. Dessain, 1846). In-8 (23.5 x 16.5), brown half-chagrin, smooth spine, speckled edges. Frontispiece and illustrations, some in colour. Spine partly detached, otherwise interior in good condition.