Des Lettres De Cachet Et Des Prisons D������� Etat: Ouvrage Posthume, Compose En 1778 (1782) is a posthumous work by Honore Gabriel De Riquetti Mirabeau. The book is a comprehensive study of the French system of ""lettres de cachet"" and state prisons during the 18th century. Mirabeau was a prominent French revolutionary and political figure who was imprisoned several times in his life. In this book,...