Congo, French (5,000), a continuous and connected territory extending westward along the right bank of the Congo from Brazzaville to the mouth of the Mobangi, and as far as 4° N. run N. behind the Cameroons, and along the E. of Shari to Lake Tchad.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Congo * Congo Free State