1. Awe for the Tiger, Love for the Lamb: A Chronicle of Sensibility to Animals;Preece,2002
2. The changing concept of animal sentience
3. A Cultural History of Animals in the Age of Enlightenment;Senior,2008
4. An Introduction to the Principles of Morals and Legislation;Bentham,2007
5. The Dignity of Human Nature (1795);Burgh,2009