BURTON, Sir Richard Francis (1821-1890) and Charles F.T. DRAKE. Unexplored Syria. Visits to the Libanus, the Tulúl el Safá.... London: Tinsley Brothers, 1872. 2 volumes, 8°. Folding map and 27 lithographed plates, mostly folding. 20th-century blue grained calf gilt (a few extremities very lightly rubbed). FIRST EDITION. Penzer pp.85-86. (2)