Crais, Clifton C., and Pamela Scully. Sara Baartman and the Hottentot Venus: a Ghost Story and a Biography. Princeton: Princeton UP, 2009. Print.
Cliff, Michelle. If I Could Write This in Fire. Minneapolis: University of Minnesota, 2008. Print.
Lutz, Hartmut, and Abraham Ulrikab. The Diary of Abraham Ulrikab: Text and Context. Ottawa: University of Ottawa, 2005. Print.
"pygmy." Merriam-Webster Online Dictionary. 2011. http://www.merriam-webster.com (24 April 2011).
"Ota Benga: Facts, Discussion Forum, and Encyclopedia Article." AbsoluteAstronomy.com. Web. 09 May 2011. http://www.absoluteastronomy.com/topics/Ota_Benga.
Cliff, Michelle. If I Could Write This in Fire. Minneapolis: University of Minnesota, 2008. Print.
Lutz, Hartmut, and Abraham Ulrikab. The Diary of Abraham Ulrikab: Text and Context. Ottawa: University of Ottawa, 2005. Print.
"pygmy." Merriam-Webster Online Dictionary. 2011. http://www.merriam-webster.com (24 April 2011).
"Ota Benga: Facts, Discussion Forum, and Encyclopedia Article." AbsoluteAstronomy.com. Web. 09 May 2011. http://www.absoluteastronomy.com/topics/Ota_Benga.