BioStor
 | A further contribution to the ornithology of Uganda (West Elgon and district) (1918) Novitates Zoologicae 25: 263-290 |
 | 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 |