Kamerun mit Togo 1:2 000 000

1920

Moisel, Max

1:2m

River Benin to river Cameroons

1933

Admiralty

1:610k

A chart of coast of BIAFRA from Foche Island to Corisco Island together with the Islands of FERNANDO POO and PRINCES

1707

West Africa, Colonial map

1900

Andree, Richard

Map of the Gold Coast, Ashanti and Northern Territories

1912

Great Britain. General Staff. Geographical Section.

A chart of ye Coast of Biafra from Foche Island to Corisco Island together with the Islands of Fernando Poo & Princes.

1766

Mount, John; Page, Thomas, 1704-1762

1:1m

Durch Kamerun von Süd nach Nord. Reisen und Forschungen im Hinterlande 1889 bis 1891 ... Mit ... Abbildungen ... von R. Hellgrewe, etc

1893

Morgen, Curt von.

Vorläufige übersicht von Zintgraff's Reise von Kamerun nach dem Benuë

1890

C.L. Keller

1:4m

Old Calabar River; from sketch surveys 1869-90.

1891

London

A chart of the Bight of Binnin from Ningo Grande to R. Andony.

1766

Mount, John; Page, Thomas, 1704-1762

1:2m