Nature and culture
In Stanley Godlovitch, Roslind Godlovitch, and John Harris (eds.) Animals, Men and Morals: An Inquiry Into The Maltreatment of Non-humans, New York, 1974, pp. 213–231

In Stanley Godlovitch, Roslind Godlovitch, and John Harris (eds.) Animals, Men and Morals: An Inquiry Into The Maltreatment of Non-humans, New York, 1974, pp. 213–231
