American Sheep Industry Association, 2016. “Wool Chapter”. In “Certified Classer Manual.”

Irvine, K., 2019. Perendale sheep. “Domestic Animal Breeds” https://domesticanimalbreeds.com/perendale-sheep-breed/

Robson, D., and Ekarius, C., 2011. The Fleece and Fiber Sourcebook. Storey Publishing, North Adams, MA, 438 pp.

Perendale Sheep Society of New Zealand, 1964. The Perendale: Characteristics and General Management. Simon Printing Co Ltd, Palmerston North

Perendale Sheep Society of New Zealand (undated). http://www.perendalenz.com/