Lac Tchad. Afrique 22.

1827

Vandermaelen, Philippe, 1795-1869

1:2m

Travels and Discoveries in North and Central Africa: being a journal of an expedition undertaken under the auspices of H.B.M.'s Government, in the years 1849-55

1857

BARTH, Heinrich Traveller

Afrique equatoriale française

1925

Meunier, Alexandre

1:2m

Tchad [Colonie du] (1925)

1925

Paris : Union Graphique.

West Africa II.

1839

Society for the Diffusion of Useful Knowledge (Great Britain)

1:6m

Spezial-Karte von Afrika

1893

Habenicht, Hermann

1:4m

Neueste Karte von Sudan und Guinea

1860

Meyer, J.

Nigeria and Chad, Plate 90, V. IV

1956

Bartholomew, John

1:5m

Sudan, Guinea.

1860

Radefeld, Carl Christian Franz, 1788-1874

1:7m

Carte du réseau fluviale navigable de l'Afrique equatoriale française

1925

1:3m