References
Continuing Study
References
Howard, Margaret. 2012. The Coat of Many Colors: A Survey of Sheep Color Pattern Expression. Edited by Dee Heinrich. Publisher: Author.
Howard, Margaret R. 2015. I Am a Shepherd. Publisher: Author.
Lundie, Roger S. 2004. “The Genetics of Colour in Sheep—Some Basics.” In The World of Coloured Sheep, edited by Roger S. Lundie and Elspeth J. Wilkinson, p. 111-122. New Zealand: The Black and Coloured Sheep Breeders Association of New Zealand.
Adalsteinsson S. (1970) Colour inheritance in Icelandic sheep and relation between colour, fertility and fertilization. J. Ag. Res. Icel. 2, 3-135.
Adalsteinsson S. (1975) Depressed fertility in Icelandic sheep caused by a single colour gene. Annales de génétique et de sélection animale 7, 445-7.