Kalof, Linda/Zammit-Lucia, J./Kelly, J. R.: The Meaning of Animal Portraiture in a Museum Setting: Implications for Conservation. In: Organization & Environment 24/2 (2011). Internet: http://oae.sagepub.com/cgi/doi/10.1177/1086026611412081. Zuletzt geprüft am: 17.12.2016. S. 150–174.