1. (1980): How do we decide whether or not to experiment with animals? ASAB Symposium on The Ethics of Experiments on Animals. Durham (unpublished).
2. (1962): The assessment of pain in men and animals. In (eds): “The Assessment of Pain in Men and Animals.” London: Universities Federation for Animal Welfare.
3. (1980): The role of ethical committees. ASAB Symposium on The Ethics of Experiments on Animals. Durham (unpublished).
4. (1969): Protection of Animals (Scientific Purposes) – Bill before British Parliament.
5. , (eds) (1972): “Animals, Men and Morals: An Enquiry into the Mal-Treatment of Non-Humans.” London: Gollancz.