BioStor
 | March 8, 1864 J E Gray (1864) Proceedings of The Zoological Society of London 1864: 98-138 |
 | May 12, 1570 Newton (1870) Proceedings of The Zoological Society of London 1870: 279-332 |
 | 3. A second List of Birds recently collected by Sir John Kirk in Eastern Africa Captain G E Shelley. (1882) Proceedings of The Zoological Society of London 1882: 304-312 |
 | On a Collection of Birds made by Mr. H. H. Johnston on the Cameroons Mountain (1887) Proceedings of The Zoological Society 1887: 122-126 |
 | Sharpe and Wyatt's Monograph of the Swallows R Bowdler Sharpe (1895) The Auk 12: 373-375 |
 | Vögel von Schoa und Süd-Äthiopien Oscar Neumann (1905) Journal für Ornithologie 53(1): 184-243 |
 | Notes on the birds of East Africa V G L Van Someren (1922) Novitates Zoologicae 29: 1-246 |
 | Zoological results of a fifth expedition to East Africa. ll. Birds from Nyasaland and Tete J L Peters and A Loveridge (1953) Bulletin of The Museum of Comparative Zoology 110: 87-139 |
 | Type-specimens of birds in the British Museum (Natural History). Vol. 3. Systematic index Rachel L M Warren and C J O Harrison (1973) |
 | Report on three collections of birds from Liberia (1994) Bulletin of The British Ornithologists' Club 114: 267-274 |