^Yamaguchi, N. (2000). The Barbary lion and the Cape lion: their phylogenetic places and conservation. African Lion Working Group News 1: 9-11.
^The stuffed lion from the Museum of Emil Holub in Holice was, in 2009, identified as Cape Lion (there were only six other exemplars preserved worldwide until then). Holub wrote about the lion in his diaries. News about the Holub's lion in Czech language.
^West P.M., Packer C. (2002) Sexual selection, temperature, and the lion's mane. Science, 297, 1339–1343.
^Barnett, R., N. Yamaguchi, I. Barnes & A. Cooper. 2006. Lost populations and preserving genetic diversity in the lion Panthera leo: Implications for its ex situ conservation. Conservation Genetics. Online pdf