North Devon cattle (English Wikipedia)

Breed data sheet: Devon / United Kingdom of Great Britain and Northern Ireland (Cattle). Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed February 2022.

dadis-transboundary-ext-ws.web.app

Transboundary breed: Devon. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed February 2022.

Barbara Rischkowsky, Dafydd Pilling (editors) (2007). List of breeds documented in the Global Databank for Animal Genetic Resources, annex to The State of the World's Animal Genetic Resources for Food and Agriculture. Rome: Commission on Genetic Resources for Food and Agriculture, Food and Agriculture Organization of the United Nations. ISBN 9789251057629. Archived 23 June 2020.
"Home is where the bullock is". Archived from the original on 5 August 2008. Retrieved 8 March 2009.

"Home is where the bullock is". Archived from the original on 5 August 2008. Retrieved 8 March 2009.