Heptner, V. G.; Sludskij, A. A. (1992) [1972]. "Lion". Mlekopitajuščie Sovetskogo Soiuza. Moskva: Vysšaia Škola [Mammals of the Soviet Union. Volume II, Part 2. Carnivora (Hyaenas and Cats)]. Washington DC: Smithsonian Institution and the National Science Foundation. pp. 82–93.
Hazzah, L.; Borgerhoof Mulder, M.; Frank, L. (2009). "Lions and warriors: Social factors underlying declining African lion populations and the effect of incentive-based management in Kenya". Biological Conservation. 142 (11): 2428–2437. doi:10.1016/j.biocon.2009.06.006.
Lindsey, P.A.; Roulet, P.A.; Romañach, S.S. (2007). "Economic and conservation significance of the trophy hunting industry in sub-Saharan Africa". Biological Conservation. 134 (4): 455–469. doi:10.1016/j.biocon.2006.09.005.