"The text of this edition is the translation by Thomas Jefferson, published in 1817 by Joseph Milligan [published as: A treatise on political economy : to which is prefixed a supplement to a preceding work on the understanding : or Elements of ideology : with an analytical table, and an introduction on the faculty of the will]."
A Treatise on political economy appears as the fourth part of the Élémens d'idéologie, entitled Traité de la volonté et de ses effets.