Transboundary breed: Highland. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed November 2022.
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Schmutz, S. M.; Dreger, D. L. (2013). "Interaction of MC1R and PMEL alleles on solid coat colors in Highland cattle". Anim Genet. 44 (1): 9–13. doi:10.1111/j.1365-2052.2012.02361.x. PMID22524257.
Clutton-Brock, T. H.; Greenwood, P. J.; Powell, R. P. (1976). "Ranks and Relationships in Highland Ponies and Highland Cows". Zeitschrift für Tierpsychologie. 41 (2): 206–216. doi:10.1111/j.1439-0310.1976.tb00477.x. PMID961125.
Schmutz, S. M.; Dreger, D. L. (2013). "Interaction of MC1R and PMEL alleles on solid coat colors in Highland cattle". Anim Genet. 44 (1): 9–13. doi:10.1111/j.1365-2052.2012.02361.x. PMID22524257.
Clutton-Brock, T. H.; Greenwood, P. J.; Powell, R. P. (1976). "Ranks and Relationships in Highland Ponies and Highland Cows". Zeitschrift für Tierpsychologie. 41 (2): 206–216. doi:10.1111/j.1439-0310.1976.tb00477.x. PMID961125.