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

Lac Tchad. Afrique 22.

1827

Vandermaelen, Philippe, 1795-1869

1:2m

Nr. 12. Kamerun u. Togo in 4 Blaettern, Blatt 2. (Protected areas of Cameroon and Togo in 4 sheets, sheet 2.)

1897

Langhans, Paul

1:2m

Specialkarte der Länder im süden des Tsad-See's

1872

Petermann, August

1:800k

Cameroun.

1950

Craste, L.

Nigeria (1907)

1907

Great Britain. General Staff. Topographical Section.

Nos Africains.-La mission Crampel.-La mission Dybowski.-La mission Mizon.-La mission Monteil ... La seconde mission Mizon ... Ouvrage illustré

1894

ALIS, Harry pseud. [i.e. Jules Hippolyte Percher.]

Nigeria -- Political: 1924.

1960

Federal Surveys, Nigeria (Revision)

1:1m

169. Togo, Dahomey, Nigeria. The World Atlas.

1967

USSR (Union of Soviet Socialist Republics).

1:4m

The Distribution of Religious Groups in Nigeria, Willinks commission

1952

Willinks Commission