| FAO | Key Name |
|---|---|
| Africa-Inland Waters | Key to the genera and species of air-breathing catfishes (Family Clariidae) in southern Africa. |
| Africa-Inland Waters | Key to the species of Heterobranchus. |
| Africa-Inland Waters | Key to species of Heterobranchus of West Africa. |
| Africa-Inland Waters | Key to the genera of Clariidae of Lower Guinea, West-Central Africa. |