WITRY, l'Abbé. Receuil des divers Mémoires, lus à l'Académie des Sciences et Belles-Lettres de Bruxelles. Tournay: Varlé, 1789. 8° (186 x 106mm). Errata leaf pasted in on verso of title-page. (Some occasional light discolouration). 19th-century polished calf, triple gilt fillet, flat spine tooled in six compartments, gilt in five, red morocco lettering-piece in one, gilt edges (edges lightly rubbed); -- Johann Georg KOHL 1808-1878). Reisen in Irland. Dresden und Leipzig: 1843. 8° (181 x 117mm). (Some spotting) Contemporary mottled paper boards (extremities occasionally chipped); and a collection of works of similar interest, including astonomy, cosmography, science and travel, the majority 18th and 19th-century, leather or vellum bound. (30)