"Arthashastra". Book by Chanakya, Translated by R. Shamasastry. Bangalore: Government Press, Book I: "Concerning Discipline", Chapter 4 "Determination of the Place of Varta and of Dandaniti", 1915.
Samuel Johnson, James Boswell (1825). “The Table Talk of Dr. Johnson: Comprising Opinions and Anecdotes of Life and Literature, Men, Manners, and Morals”, p.119
John Gabriel Stedman (1796). “Narrative of a Five Years' Expedition, Against the Revolted Negroes of Surinam: In Guiana, on the Wild Coast of South America; from the Year 1772, to 1777: Elucidating the History of that Country, and Describing Its Productions ... with an Account of the Indians of Guiana, & Negroes of Guinea. By Captn. J. G. Stedman ... ...”, p.28