"Breeds of Sheep". Dorper (White and Black-Headed). Retrieved 2009-04-06.
tattykeel.com.au
"Australian White Sheep". The Australian White Sheep Breeders’ Association of Australia. Archived from the original on 12 August 2017. Retrieved 4 May 2011.
web.archive.org
"Australian White Sheep". The Australian White Sheep Breeders’ Association of Australia. Archived from the original on 12 August 2017. Retrieved 4 May 2011.