Wilhelm, K. 2006. Do animals have feelings? Scientific American. February/March Issue. pp 26-29

Article by Joyce Poole in Journal Franz Weber; Was es bedeutet, ein Elefant zu sein. Journal Franz Weber, Oktober | November | Dezember 2010 | Nr. 94 , 32.

The Sunday Times, UYK: Chats, flirting and travel rows - Jumbo is just like us. Article published 5 June 2011. (www.thesundaytimes.co.uk)

Interview published in redes magazine - 20 July 2010. (http://www.redesparalaciencia.com/)

"Online with a Big communicator". Taft Bulletin, fall 2003.

New Scientist: Nature's great masterpiece. Opinion interview with Cynthia Moss. Published 28 May 2011.

Mail Online, UK: Squabbles over directions, rows and discussions: How the elephant world mirrors our own. 6th June 2011. (www.dailymail.co.uk)

18 February 2006 From New Scientist Print Edition. After years of trauma at the hands of humans, could Africa's elephants be nursing a grudge? By Caroline Williams.