[en] The Radical Fool of Capitalism MIT Press
[en] Speciesism, Painism and Happiness Imprint Academic
[en] [Gutenberg 32033] • Vivisection Forgotten Books
[en] [Gutenberg 20222] • An Ethical Problem / Or, Sidelights upon Scientific Experimentation on Man and Animals G. Bell and Sons; Reprint edition
[en] [Gutenberg 7892] • Heart and Science: A Story of the Present Time Broadview Press Inc