Breeds reported by Sweden: Cattle. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed November 2016.
R.C. Bett, K. Johansson, E. Zonabend, B. Malmfors, J. Ojango, M. Okeyo, J. Philipsson (2010). Trajectories of Evolution and Extinction in the Swedish Cattle Breeds. In: 9th World Congress on Genetics Applied to Livestock Production: Proceedings; Leipzig, Germany; August 1-6, 2010. Leipzig: Gesellschaft für Tierzuchtwissenschaften. ISBN9783000316081.
web.archive.org
Breed description: Bohus polled cow. Department of Animal Breeding and Genetics, School of Veterinary Medicine Hannover. Archived 13 November 2007.
Bohuskulla (in Swedish). Föreningen Allmogekon. Archived 9 September 2016.
Swedish Cattle Breeds. North European Cattle Diversity Project. Archived 18 March 2009.