A map of the Congo River between Leopoldville and Stanley Falls, from running surveys ... / 
Grenfell, George.
[London :  R.G.S., 
1902]
In: The Geographical Journal. Vol. 20. Sections 1-6, p. 572. Sections 7-10, p. 681.
Insets: Indexes; Lake Ntomba; The upper River Lindi to the Falls Station.