Mahatma Gandhi, Mohandas Karamchand Gandhi (1986). “The Moral and Political Writings of Mahatma Gandhi: Non-Violent Resistance and Social Transformation”, Clarendon Press
William Blackstone, St. George Tucker (1996). “Blackstone's Commentaries: With Notes of Reference to the Constitution and Laws, of the Federal Government of the United States, and of the Commonwealth of Virginia: With an Appendix to Each Volume, Containing Short Tracts Upon Such Subjects as Appeared Necessary to Form a Connecte”, p.300, The Lawbook Exchange, Ltd.