Books on African & Asian Travels (4). Troup, J.Rose. with Stanley's Rear Column. second Edition.London, Chapman and Hall, 1890. Folding map [short closed tear at hinge, no loss], 14 plates, (12),361,(1)pp., neat contemporary signature on titlepage, 40pp. Publisher's adverts, 8vo., recent rebind in 1/2 black morocco, spine gilt in panels, marbled boards. An excellent copy; Wolff, Rev. Joseph. Narrative of a Mission to Bokhara in the years 1843-1845 to ascertain the fate of Colonel Stoddart and Captain Conolly. Fifth Edition.Edinburgh, William Blackwood, 1848.xxv,(1),429,(1)pp., edges untrimmed, 8vo., publisher's blind-stamped grey cloth. An autograph note by Wolff, Signed and dated June 28, 1848, is tipped to front flyleaf. a very good copy. the conclusion of a typically gruesome episode in 19c. Central Asian imperial politics, the 'Great Game'; Cooper, Joseph. the Lost Continent, or, Slavery and the Slave Trade in Africa, 1875. with observations on the Asiatic Slave-trade, carried on under the name of the labour traffic, and some other subjects. London, Longmans, Green & co., 1875. Large folding map, viii,138pp.,(10)pp.adverts., old library bookplate on front pastedown, no other markings, 8vo., publisher's green cloth gilt. a small scuff on the spine touching the title but a very good clean copy; Alldridge, T.J. the Sherbro and its Hinterland. London, Macmillan & Co., 1901. Portrait frontispiece, 77 photo illustrations, folding map, very large folding map in pocket at end, large 8vo., cloth with gilt vignette. a fine copy. First edition. An account of the British colony of Sierra Leone.