1. Albarella, U. (1997). Shape variation of cattle metapodials: age, sex or breed? some examples from Medieval and Postmedieval sites. Anthropozoologica 25-26: 37-47.
2. Albarella, U., Beech, M., and Mulville, J. (1997). The Saxon, medieval and post-medieval mammal and bird bones excavated 1989–1991 from Castle Mall, Norwich, Norfolk. Ancient Monument Laboratory Report 72/97. English Heritage, London, pp. 1–234.
3. American Poultry Association (1874). The American Standard of Excellence as Revised by the United Poultry Fanciers of America. American Poultry Association, Lucasville, OH.
4. Anderson, V. D. (2004). Creatures of Empire: How Domestic Animals Transformed Early America. Oxford University Press, Oxford.
5. Anonymous. (1895). American Dominiques. American Stockkeeper 13(7).