David Hume (1826). “The history of England: From the invasion of Julius Caesar to the revolution of 1688 : To which is prefixed a short account of his life, written by himself”, p.187
David Hume (1772). “An inquiry concerning human understanding. A dissertation on the passions. An. inquiry concerning the principles of morals. The natural history of religion”, p.5
David Hume (1826). “The Philosophical Works: Including All the Essays, and Exhibiting the More Important Alterations and Corrections in the Successive Ed. Publ. by the Author”, p.548