1. Random drift and large shifts in popularity of dog breeds;HA Herzog;Proceedings Royal Society London B,2004
2. Forty-two thousand and one Dalmatians: Fads, social contagion, and dog breed popularity;H Herzog;Society and Animals,2006
3. Ghirlanda S (2011) Fashion cycles in dog breeds. drghirlanda: Neuroscience, evolution, and culture. Available: http://drghirlanda.com/2011/11/05/fashions-in-dog-breeds. Accessed 2013 Aug 13.
4. Ghirlanda S (2013) Fashion cycles in 100 dog breeds. Figshare. doi:http://dx.doi.org/10.6084/m9.figshare.715257. Accessed 2013 Aug 13.
5. Random drift and culture change;RA Bentley;Proceedings Royal Society London B,2004