BioStor
 | On two apparently new Species of Erythropygia R Bowdler Sharpe (1882) Proceedings of The Zoological Society of London 1882: 588-590 |
 | Review of the subspecies of the African scrub-robin, Erythropygia leucophrys (Vieillot) W W Bowen (1934) Proceedings of The Biological Society of Washington 47: 157-167 |
 | Further Data on African Parasitic Cuckoos Herbert Friedmann (1956) Proceedings of The United States National Museum 106: 377-408 |