Gosling, Samuel; Graham, Lindsay (2009-04-28), "Temperament and Personality in Working Dogs", Canine Ergonomics, CRC Press, pp. 63–81, doi:10.1201/9781420079920.ch4 (inactive 2024-11-12), ISBN9781420079913{{citation}}: CS1 maint: DOI inactive as of November 2024 (link)
Photos here [1]Archived 2012-12-26 at the Wayback Machine. They are also published in Richard Wolters' book The Labrador Retriever according to that site.
Photos here [1]Archived 2012-12-26 at the Wayback Machine. They are also published in Richard Wolters' book The Labrador Retriever according to that site.
Boyle, Robert H (1975-01-06). "An Old Dog, New Chic". Sports Illustrated. Archived from the original on August 14, 2010. Retrieved 2012-12-28.
