Ayer, A.J. . Hume: A Very Short Introduction / Textual Documents A.J Ayer. - 1st ed. / - Oxford : Oxford Universsity Press , 2000. - 125 : ill. ; 18 cm. . Index ISBN: 0-19-285406-2 Subjects--Index Terms: Philosophers Dewey Class. No.: 921 / Ay 21 Hu