1. Admiralty Charts: 4105 Freetown to Luanda (1:3 500 000); 1362 Grand Béréby to Grand Jack (1:300 000); 1359 Grand Jack to Cape Three Points (1:300 000); 1360 Cape Three Points to Cape St Paul (1:300 000); 1861 Cape St Paul to Lagos Harbour (1:300 000); 1862 Lagos to Dodo River (1:300 000); 1863 Dodo River to Bonny River (1:289 000); 1860 Bonny River to River Cameroun (1:288 500); 3113 Cape Three Points to Cape Coast (1:150 000); 3431 Cape Coast Castle to Barako Point (1:87 150); 3432 Barako Point to Great Ningo (1:87 430). The Hydrographer of the Navy, London, latest edition.