BioStor
 | 3. NOTES ON BIRDS COLLECTED IN BENGUELA J J Monteiro. (1865) Proceedings of The Zoological Society of London 1865: 89-96 |
 | February 7, 1871 G R Waterhouse (1871) Proceedings of The Zoological Society of London 1871: 101-144 |
 | List of Birds recently collected by Dr. Kirk in Eastern Africa (1881) Proceedings of The Zoological Society 1881: 561-602 |
 | A check list of the land and freshwater birds of the western Cape Province J M Winterbottom (1968) Annals of The South African Museum 53: 1-276 |