Natural Law; or The Science of Justice: A Treatise on Natural Law, Natural Justice, Natural Rights, Natural Liberty, and Natural Society; Showing that All Legislation Whatsoever is an Absurdity, a Usurpation, and a Crime. Part First.

Natural Law; or The Science of Justice (1882)
 * Chapter I. The Science of Justice. (pp. 5–10)
 * Chapter II. The Science of Justice (Continued) (pp. 11–15)
 * Chapter III. Natural Law Contrasted With Legislation. (pp. 16–20)

Introduction presented in Left and Right: A Journal of Libertarian Thought (1967)
 * Introduction (pp. 53–54)