BioStor
 | Types of birds in the Tring Museum. C. Additional and overlooked types Ernst Hartert (1928) Novitates Zoologicae 34(3): 189-230 |
 | Birds of Kenya and Uganda, being addenda and corrigenda to my previous paper in " Novitates Zoologica " xxix 1922 (1932) Novitates Zoologicae Tring 37: 252-380 |
 | Scientific results of a fourth expedition to forested areas in East and Central Africa. Birds (1942) Bulletin of The Museum of Comparative Zoology 89: 217-275 |