<title>Abstract</title> Until at least the 1750s, a number of drafts survived of Richard Cantillon's <italic>Essay on the Nature of Trade in General</italic>, in different stages of completion. This is suggested by a paragraph-by-paragraph comparison between three versions of Cantillon's writings, namely the French <italic>Essai</italic> of...

<italic>Valeurs et monnaies</italic> is Turgot's most enigmatic contribution to economic theory. A comparison is made between the published transcripts of this text and manuscript fragments preserved in Lyon. Two main conclusions are drawn. First, no completely reliable transcript of the text has been published....

The monetary theories in Philip Cantillon's The Analysis of Trade (1759) differ in important respects from those found in Richard Cantillon's much more famous Essai sur la nature de Commerce en général (1759). Contrary to the received opinion that the Analysis was a poor translation of the...

Possibly the earliest contribution to the theory of differential rent is contained in C.-F.-J. d'Auxiron's Principes de tout gouvernement (1766). Two years later, in 1768, another discussion of the phenomenon of extensive differential rent appeared in the physiocratic periodical Ephemerides du...