Ricardo, David, 1772-1823. On the principles of political economy, and taxation / edited with an introduction by R. M. Hartwell. - Harmondsworth : Penguin, 1971. - 427 p. ; 19 cm. - Pelican classics . Bibliography: p. 45-[46] ISBN: 0140400192 Subjects--Topical Terms: EconomicsTaxationClassical school of economics LC Class. No.: HB171.5