The works and correspondence of David Ricardo : Vol. 1 : On the principles of political economy and taxation / David Ricardo ; edited by Piero Sraffa with the collaboration of M.H.Dobb. Ricardo, David. 1772-1823. Sraffa, Piero ed. Dobb, Maurice, jt. ed. Economics. 923.3 RIW Published for the Royal Economic Society. Cambridge : At The University Press, 1951. 1951. 1951 Text v. ; eng