FOURNIER, George (1595-1652). Traité des Fortifications, ou Architecture militaire. Paris: Jean Henault, 1661. 12° (112 x 75mm). Engraved frontispiece and 110 plates. (Slightly soiled.) Contemporary sprinkled calf, spine gilt in compartments (slightly worn at extremities). Third edition. -- [BERNARD.] Nouvelle Manière de fortifier les Places, tiré des methodes du Chevalier de Ville. Paris: Estienne Michallet, 1689. 8° (178 x 118mm). 15 engraved plates, 9 folding (one loose), woodcut ornaments and initials. Contemporary calf, spine gilt in compartments (slightly worn at extremities). Provenance: Nath. Cholmley (armorial bookplate). -- Auguste-Charles D'AVILER (1653-1700). Cours d'Architecture. Paris: Jean Mariette, 1710. 2 volumes, 4° (220 x 163mm). Engraved frontispieces, 56 folding engraved plates and 84 full-page illustrations, 2 smaller engraved illustrations in the text, woodcut ornaments and initials. (Some leaves slightly spotted or browned.) Contemporary mottled calf, spines gilt in compartments (slight wear at extremities). Fowler 33. -- Sebastien LE CLERC (1637-1714). Traité d'Architecture. Paris: Pierre Giffart, 1714. 2 volumes in one, 4° (240 x 180mm). 183 engraved plates. (A few leaves slightly soiled.) Contemporary calf, spine gilt in compartments (joints rubbed). Fowler 172. -- And 2 others ([Humbert] Ouvrages divers. Berlin: 1747, and Vignola's Règles des Cinq Ordres d'Architecture. Paris: 1764). (7)