- Emanuel Bowen, West Africa, 1766£ 645.00
- Maj. Dixon Denham, Sketch map of Lake Chad, 1826£ 145.00
- Joseph Meyer, Nigeria, Cameroon & Chad, 1855 c.£ 165.00
- Archibald Fullarton, Ethiopia & Central Africa, 1860 c.£ 195.00
- Royal Geographical Society (RGS), Lake Chad and Neighbouring Regions, 1876£ 68.00
- Society for the Diffusion of Useful Knowledge (SDUK), West Africa II, 1879£ 95.00
- Archibald Fullarton, Nigeria, Cameroon & Chad, 1880 c.£ 30.00
- Royal Geographical Society (RGS), Across Central Africa from Nigeria to the Red Sea, 1907£ 195.00
- Royal Geographical Society (RGS), Lake Chad, 1910£ 155.00
- Dr. Karl Kumm's route from the Niger to the Nile, 1910Royal Geographical Society (RGS)Series: LondonRoyal Geographical Society (RGS), Dr. Karl Kumm's route from the Niger to the Nile, 1910£ 285.00
- Royal Geographical Society (RGS), Egypt, Libya, Sudan & Chad, 1935 c.£ 48.00