http://www.crocone.com.au/
http://whaleone.com.au/
http://www.seashepherd.org/news-and-media/2008/10/30/sea-shepherd-renames-its-whale-defending-ship-the-steve-irwin-615
http://www.abc.net.au/tv/enoughrope/transcripts/s960998.htm
http://www.australiazoo.com.au/conservation/programs/habitat.php#Iron%20Bark%20Station
http://www.theage.com.au/articles/2003/06/09/1055010919523.html
http://environment.about.com/od/activismvolunteering/p/steve_irwin.htm
http://www.wildlifewarriors.com/conservation-projects/marine-conservation/