
Twitter, 17 November 2013; quoted in "Ricky Gervais Is PETA’s Person of the Year," PETA (23 December 2013) https://www.peta.org/blog/ricky-gervais-petas-person-year/
Source: The Rights of Animals (1965), p. 21
Twitter, 17 November 2013; quoted in "Ricky Gervais Is PETA’s Person of the Year," PETA (23 December 2013) https://www.peta.org/blog/ricky-gervais-petas-person-year/
"Secrets Known Only to the Inner Elites", in his political journal The Campaigner (May-June 1978), p. 64.
Source: William Johnson (1990), Rose-Tinted Menagerie, p. 10
Source: Why Is Sex Fun? The Evolution of Human Sexuality
"Can We Truly Know Sloth and Rapacity?" pp. 389
Leonardo's Mountain of Clams and the Diet of Worms (1998)
"Saving the Rabbit from the Fox", p. 247
Morals, Reason, and Animals (1987)
Source: The Animal Welfare Movement and the Foundations of Ethics, p. 95