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Shaw, Jessica M.; Jenkins, Andrew R.; Allan, David G.; Ryan, Peter G. (2016). "Population size and trends of Ludwig's Bustard Neotis ludwigii and other large terrestrial birds in the Karoo, South Africa". Bird Conservation International. 26 (1): 69–86. doi:10.1017/S0959270914000458. ISSN0959-2709.
Raihani, Gina; Székely, Tamás; Serrano-Meneses, M. Alejandro; Pitra, Christian; Goriup, Paul (2006-04-01). "The influence of sexual selection and male agility on sexual size dimorphism in bustards (Otididae)". Animal Behaviour. 71 (4): 833–838. doi:10.1016/j.anbehav.2005.06.013. ISSN0003-3472. S2CID53199054.
Kok, O. B.; Earlé, R. A. (1990-12-01). "Diet of the Black Korhaan Eupodotis Afra in the Orange Free State and North-West Cape". Ostrich. 61 (3–4): 107–110. doi:10.1080/00306525.1990.9634155. ISSN0030-6525.
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Crowe, T. M.; Essop, M. F.; Allan, D. G.; Brooke, R. K.; Komen, J. (1994). "'Overlooked' units of comparative and conservation biology: a case study of a small African bustard, the Black Korhaan Eupodotis afra". Ibis. 136 (2): 166–175. doi:10.1111/j.1474-919X.1994.tb01081.x. ISSN1474-919X.
Allan, David G.; Harrison, James A.; Navarro, RenéA.; van Wilgen, Brian W.; Thompson, Mark W. (1997-02-01). "The impact of commercial afforestation on bird populations in Mpumalanga Province, South Africa — Insights from bird-atlas data". Biological Conservation. 79 (2): 173–85. doi:10.1016/S0006-3207(96)00098-5. ISSN0006-3207.
Raihani, Gina; Székely, Tamás; Serrano-Meneses, M. Alejandro; Pitra, Christian; Goriup, Paul (2006-04-01). "The influence of sexual selection and male agility on sexual size dimorphism in bustards (Otididae)". Animal Behaviour. 71 (4): 833–838. doi:10.1016/j.anbehav.2005.06.013. ISSN0003-3472. S2CID53199054.
Shaw, Jessica M.; Jenkins, Andrew R.; Allan, David G.; Ryan, Peter G. (2016). "Population size and trends of Ludwig's Bustard Neotis ludwigii and other large terrestrial birds in the Karoo, South Africa". Bird Conservation International. 26 (1): 69–86. doi:10.1017/S0959270914000458. ISSN0959-2709.