From the description of Autograph letter signed : [Paris], to Mme. Beaujouan, [1829 May 6]. (Unknown). WorldCat record id: 270584926From the description of Autograph letter signed : Paris, to Louis Aimé Martin, [1829] May 31. (Unknown). WorldCat record id: 270584918From the description of Autograph letter signed : [Paris?], to an unidentified "Monseigneur", [no year] Apr. 1. (Unknown). WorldCat record id: 270584922From the description of Autograph letter signed : [n.p.], to an unidentified lady, [n.d., docketed 1787]. (Unknown). WorldCat record id: 270584929