Jean-Baptiste SAY (1767–1832). 2 letters from the author, Paris 1814 and undated, to Pierre-Louis Ginguené; 2½ pages, quarto, and 2 pages, octavo, addressed; the first bears a postmark from the Bureau de Postes Chambre des Pairs. August 14, 1814. He received his “new collection of poetry, and we immediately devoured what was new to us: the fables, James’s 15th birthday, & I need not tell you that we greatly appreciated the grace, nobility, sentiment, and philosophy that permeate all the pieces, just as in those we already knew by the same poet. We are going to read *Adonis* and reread the others, which we are delighted to revisit and in which you may have made some welcome changes from which we will benefit. This new volume will certainly further enhance the esteem in which the author’s character and talent are held”… He also mentions the second volume of the new, revised edition of his *Treatise on Political Economy*: “I attach great importance to these valuable corrections because I flatter myself that this is a book that will endure. A quarter of the print run has already sold out, even before the newspapers have published any excerpts”... Friday, the 15th. He invites him to come on Saturday “to have soup with us. We’ll have an American guest that day, Mr. Todd, the stepson of the President of the United States.” He thanks Ginguené “for the corrections you sent me. All of them, without exception, were made in the book itself and are errors that you have corrected. These corrections are all the more valuable because the author, whose attention is absorbed by the substance of the subject, is not in the right frame of mind to notice them, and everyone has their own regional quirks.” He asks him to do the same work on the second volume”…