REFERENCES
- Chapin , J. P. 1932 . Birds of the Belgian Congo, Part 1 . Bull. American Mus. Nat. Hist. , 65 : 301 – 321 . (breeding seasons of birds in the Congo)
- Chapin , i. P. 1954 . Birds of the Belgian Congo, Part 4 . Bull. American Mus. Nat. Hist. , 75B : 273 – 276 . (Nectarinia purpureiventris andfamosa)
- Chapin , J. P. 1954 . The Calendar of Wideawake Fair . Auk , 71 : 1 – 15 . (Sterna juscatd)
- Jackson , F. J. 1906 . On a collection of birds made by Mr. Geoffrey Archer during a journey to the Ruwenzori Range . Ibis , 8 : 6 – 570 . series505
- Mackworth-praed , C. W. and Grant , C. 1945 . On the plumages and moults of the males of sun-birds occurring in Eastern Africa . Ibis , 87 : 145 – 158 .
- Moreau , R. E. 1950 . The breeding seasons of African birds. 1, Land birds . Ibis , 92 : 223 – 267 .
- Prigooine , A. 1956 . Quelques nids d'oiseaux de montagne au Congo Beige. . Rev. Zool. Bot. Afric , 54 : 54 – 58 .
- Reichenow , A. 1893 . Diagnosen neuer Vogelarten aus Central-Afrika. . Ornith. Monatsber. , 1 : 60 – 62 .