[Jules JANIN (1804-1874). Manuscrit, Documents sur le XVIIIe siècle..., 1843; large volume in-4, 1093 pages, contemporary binding, garnet half-chagrin with corners, gilt fillets, ornate spine, untrimmed. Manuscript owned and used by Jules Janin for his historical works, notably La Fin d'un monde and du neveu de Rameau (1861). Title page reads: "Documents sur le XVIIIe siècle, extraits des livres et des manuscrits des bibliothèques du Louvre, Royale, Mazarine, Sainte-Geneviève, de l'Arsenal, Monteil; des archives du Royaume, etc."; verso, note by Clément-Janin: "Ces documents ont appartenu à M. Jules Janin; il s'en a servi pour ses importants travaux sur le XVIIIe siècle. On November 10 1873, at the Châlet de Passy, Mr. Jules Janin gave me his papers and correspondence, then at the Château des Rotoirs, which were handed over to me in September 1874, by Madame Jules Janin. C.-J. See page 1084 for a copy of M. Lucas-Montigny's letter to M. Jules Janin, in which he offers to do the research on the eighteenth century necessary for his planned work (La fin d'un monde et du neveu de Rameau). Clément-Janin". The volume opens with a L.S. from Count de Boubers, Secretary General of the Ministry of Finance, dated January 20, 1843, authorizing Janin to consult the manuscripts ceded by M. Monteil to the Ministry. It closes with a copy of Lucas-Montigny's letter of April 10, 1841, in which he places himself at Janin's disposal for his research on the history of Louis XV. The manuscript, in highly legible handwriting, contains copies of numerous documents, both official and private; a table at the end of the volume lists 131 entries: regulations, treaties, journals, memoirs, correspondence, handwritten news, gazettes, etc.