REFERENCES
- Benson , C. W. and White , C. M. N. 1957 . “Check List of the Birds of Northern Rhodesia
- Clancey , P. A. 1953 . “A Preliminary List of the Birds of Natal and Zululand
- Roberts , A. 1922 . “A Review of the Nomenclature of South African Birds,” . Ann. Tvl. Mus. , 8 : 261 – 4 .
- Roberts , A. 1940 . “The Birds of South Africa
- Sclater , W. L. 1930 . “Systema Avium Aethiopicarum,” 2
- Smithers , R. H. N. , Irvin , M. P. S. and Paterson , M. L. 1957 . “A Check List of the Birds of Southern Rhodesia
- Vincent , J. 1952 . “A Check List of the Birds of South Africa