Louis De Clercq: Bab-Boulos, Porte de St. Paul, Antaki, Syrie. 1859, Albumen print from waxed paper negative, 10.5 x 8 in. (267 x 203 mm), on original lithographed mount. u1007c.

Louis De Clercq: Jerusalem. Graves of St. James & Zacharias. 1859-60, Albumen print from waxed paper negative, 8-1/4 x 11-1/16 in. (210 x 282 mm), on original lithographed mount. q1494j.

Louis De Clercq: Kalaat-El-Hosn. Partial View of the Shelter. 1859-60, Albumen print from waxed paper negative, 8-1/4 x 10-3/16 in. (210 x 260 mm), on original lithographed mount., Plate 36 from Volume 2, "Crusader Castles in Syria", Voyage en Orient. q1492j.