Johnsen, S., 1926, On a collection of fishes from the White Nile and the Yei River. (With notes on the skull of Allabenchelys and Clarias.)

Johnsen, S., 1926, On a collection of fishes from the White Nile and the Yei River. (With notes on the skull of Allabenchelys and Clarias.), Bergens Mus. Aarbok 10, pp. 1-22