BioStor
 | On a Collection of Birds made by Emin Pasha in Equatorial Africa G E Shelley (1888) Proceedings of The Zoological Society of London 1888: 17-50 |
 | Another small Contribution to African Ornithology (1900) Novitates Zoologicae 7: 25-53 |
 | Notes on the birds of East Africa V G L Van Someren (1922) Novitates Zoologicae 29: 1-246 |