Tintern Black

References

FAO. (1997). 2.2. RAZAS DESAPARECIDAS. Lista Mundial de Vigilancia para la Diversidad de los Animales Domésticos. (2a ÉDICIÓN). https://www.fao.org/4/V8300S/v8300s0s.htm (in French)

Porter, V., & Mason, I. L. (2002). Mason’s World Dictionary of Livestock Breeds, Types and Varieties (5th ed.). Wallingford, Oxfordshire, UK: CABI Publishing.

Porter, V., Alderson, L., Hall, S. J. G., & Sponenberg, D. P. (2016). Mason’s World Encyclopedia of Livestock Breeds and Breeding: 2 Volume Pack (1st ed.). Wallingford, Oxfordshire, UK: CABI.