by David Livingstone
by Henry M. (Henry Morton) Stanley
by Alexandre Alberto da Rocha de Serpa Pinto
by Alexandre Alberto da Rocha de Serpa Pinto
by Emil Holub
by Viscount James Bryce Bryce
by Isaac Frederick Marcosson
by John Buchan
by Lady Sarah Isabella Augusta Wilson
by J. W. (Josiah Wright) Matthews
by Frederick Young
by Lady (Mary Anne) Barker
by Emil Holub
by Fred C. (Frederick Carruthers) Cornell
by Arthur M. Mann
by Hugh Mulleneux Walmsley
by W. C. (William Charles) Scully
by W. C. (William Charles) Scully
by W. J. D. Gould
by Alfred W. (Alfred Wilks) Drayson
by Anthony Trollope
by Louise Vescelius Sheldon
by Uitlander
by Anthony Trollope