Local oarsmen paddling at the rear of an expedition boat, with Hottot's servant Moussa-Boubou in the white hat.
Ubangi River, Oubangui-Chari. January 1909.
Source: Philip N. Grover and Christopher Morton, Congo Journey: Photographs and Documents from Robert Hottot's Expedition to Central Africa, 1908-9 [website], (published online September 2005, last updated 8 February 2006) <http://www.prm.ox.ac.uk/congojourney>.
