Preface -- Acknowledgements -- Introduction / GILLES JACOUD -- "Preliminary discourse" from a treatise on political economy / JEAN-BAPTISTE SAY -- "Preliminary discourse" from the first edition of a treatise on political economy -- "Preliminary discourse" from editions 2, 3 and 4 of a treatise on political economy -- "Preliminary discourse" from editions 5 and 6 of a treatise on political economy -- Opening discourses / JEAN-BAPTISTE SAY -- Conservatory of arts and trades. opening discourse of the course in industrial economy, pronounced on the 2nd december 1820 -- Opening discourse of the course in industrial economy. november 1828 -- Collège de france. Opening discourse of the course on political economy of the 1831-1832 school year -- Opening discourse of the course on political economy, pronounced by the author shortly before his death, for the beginning of the 1832-1833 school year -- "General considerations" from the complete course in practical political economy / JEAN-BAPTISTE SAY -- "General considerations" from the complete course in practical political economy -- History of economic thought / JEAN-BAPTISTE SAY -- An historical sketch of the progress of political economy -- An abridged history of the progress of political economy -- Bibliography of political economy -- Index