FORSTER, G. Voyage du Bengale à Petersbourg. Paris, 1802. 3 vols., 8vo, contemporary half calf, slightly worn. 2 folding engraved maps. Library stamp of Tsarskoe Selo on titles. Russica F565 -- KLAPROTH, J. Voyage au Mont Caucase et en Géorgie. Paris, 1823. 2 vols., 8vo, contemporary half calf, spines gilt. Folding engraved map. Library stamp of Tsarskoe Selo on half-titles. Russica K550 -- SPENCER, E. Travels in the Western Caucasus. London, 1838. 2 vols., 8vo, original cloth. Half-titles, engraved frontispieces, last errata leaf in both vols. Library stamp of the public library at Tsarskoe Selo on titles and endpapers. Russica S1830. (7)