Enquiries concerning the human understanding - Hume, David, 1711-1776; Selby-Bigge, L. A. (Lewis Amherst), Sir, 1860-1951; Hume, David, 1711-1776. Enquiry concerning the principles of morals. 1966 (Clarendon P. : Oxford, 1962)
Keywords: Knowledge, Theory of; Ethics