The First Step: An Essay on the Morals of Diet, to Which Are Added Two Stories

Observations on Method in Moral Science, Being an Essay of Criticism and

An Essay on the Nature and Significance of Economic Science

Physical Ethics or the Science of Action: An Essay (Classic Reprint)

Science as Morality - An Essay Towards Unity

An essay on morals : a science of philosophy and a philosophy of the sciences

Monism and Meliorism: A Philosophical Essay on Causality and Ethics

The Principles of Moral Science: An Essay (Classic Reprint)