Skoglund, P.; Ersmark, E.; Palkopoulou, E.; Dalén, L. (2015). «Ancient Wolf Genome Reveals an Early Divergence of Domestic Dog Ancestors and Admixture into High-Latitude Breeds». Current Biology25 (11): 1515–9. doi:10.1016/j.cub.2015.04.019. PMID26004765.
Maginnity, M.E.; Grace, R.C. (2014). «Visual perspective taking by dogs (Canis familiaris) in a Guesser–Knower task: evidence for a canine theory of mind?». Animal Cognition17 (6): 1375–1392. doi:10.1007/s10071-014-0773-9. PMID24950722.
Skoglund, P.; Ersmark, E.; Palkopoulou, E.; Dalén, L. (2015). «Ancient Wolf Genome Reveals an Early Divergence of Domestic Dog Ancestors and Admixture into High-Latitude Breeds». Current Biology25 (11): 1515–9. doi:10.1016/j.cub.2015.04.019. PMID26004765.
Maginnity, M.E.; Grace, R.C. (2014). «Visual perspective taking by dogs (Canis familiaris) in a Guesser–Knower task: evidence for a canine theory of mind?». Animal Cognition17 (6): 1375–1392. doi:10.1007/s10071-014-0773-9. PMID24950722.