Kemp, John 1920-. Ethical naturalism: Hobbes and Hume / J. Kemp . - London : Macmillan, New York : St Martin’s Press, 1970 . - 54 p. 21 cm. - (New studies in ethics ) К.: Бібліогр. : c. 54 Subjects--Personal Names: Hobbes, Thomas 1588-1679 Hume, David 1711-1776