Equatorial Africa -- Schweinfurth (Dr. Georg): The Heart of Africa; Three Years' Travels and Adventures in the Unexplored Regions of Central Africa from 1868 to 1871, 2 vols., 8vo, New York, 1874, wood-engraved and lithographed plates, illustrations, folding map (repairs to preliminaries and final leaves of each vol.), original cloth (rebacked) -- Casati (Gaetano): Ten Years in Equatoria and the Return with Emin Pasha, 2 vols., 8vo, London and New York, 1891, photographic plates, illustrations, four folding maps in rear pockets (occasional soiling), original cloth (front inner hinge to vol. II. split) -- Stanley (Henry M.): The Congo and the Founding of Its Free State, 2 vols., 8vo, 1885, wood-engraved plates and illustrations, folding maps including two in rear pockets, original cloth (spine and inner hinges repaired) -- Johnston (Harry): George Grenfell and the Congo, 2 vols., 8vo, 1908, plates, maps and illustrations, original cloth (spine of vol. 1 torn at head); and 13 others. (22)