REFERENCES
- AMADON , D. and BROWN , L. H. (In press): The World's Diurnal Birds of Prey
- BROWN , L. H. 1955 . Eagles
- BROWN , L. H. 1953 . On the Biology of the large Birds of Prey of Embu District, Kenya Colony . The Ibis. , 95 : 94 – 97 .
- BROWN , L. H. 1955 . Supplementary notes on the Biology of the Large Birds of Prey of Embu District, Kenya Colony . The Ibis. , 97 : 203 – 204 .
- FITZSIMONS , V. F. M. 1962 . Snakes of Southern Africa
- MACDONALD , M. and LOKE , C. 1962 . Birds in the Sun
- MCLACHLAN , G. R. and LIVERSIDGE , R. 1957 . Roberts' Birds of South Africa
- MEINERTZWGEN , R. 1959 . Pirates and Predators
- PRIEST , C. D. 1948 . Eggs of Birds Breeding in Southern Africa
- STEYN , P. 1960 . Observations on the African Fish Eagle . Bokmakierie. , 12 : 26 – 28 .
- STEYN , P. 1962 . Observations on Wahlberg's Eagle . Bokmakierie. , 14 : 11 – 13 .
- STEYN , P. 1964 . Observations on the Brown Snake-Eagle . Ostrich. , 35 : 22 – 31 .