HISTORIANS. 10 letters, most of them L.A.S., to Joseph de Pellissier, baron de Saint-Ferréol, president of the Apostolic Chamber of the Comtat Venaissin, 1763-1768. François-Alexandre Aubert de La Chesnaye Des Bois (3, with some proof pages of his Dictionary of Nobility), Jean-Joseph Expilly (5), Jean-Antoine Pithon-Curt (2, one incomplete).