1. The heretic feast. A history of vegetarianism;Spencer,1993
2. Vegetarianism. A blossoming field of study;Ruby;Appetite,2012
3. Why we love dogs, eat pigs and wear cows? An introduction to Carnism;Joy,2010
4. The case for animal rights;Regan,1984
5. You are what you eat? Vegetarianism, health and identity;Fox;Soc Sci Med,2008