Johnston, H.H. 1884. The river Congo: from its mouth to Bólóbó; with a general description of the natural history and anthropology of the western basin. London, Sampson Low, Marston, Seable & Rivington.
The river Congo: from its mouth to Bólóbó; with a general description of the natural history and anthropology of the western basin
Fraser, D.; Gilbert, M.; Rybczynski, N.; Dawson, M.R. 2025. Post-Eocene rhinocerotid dispersal via the North Atlantic. Vertebrate Anatomy, Morphology, Palaeontology 13 (Canadian Society of Vertebrate Palaeontology 2025 Abstracts): 21.