Requien (Esprit).- Corsica Two letters, signed (‘Requien’), in French, black-brown ink, to botanist Filippo Parlatore, 1) concerning botanic research and ‘flora italica’, dry-stamped paper, slight browning, little spotting, Ajaccio, 19 April 1850; 2) concerning botanic research in Corsica with list of plants, some browning, scattered ink smudges, Pisa, 1 July 1847; 8vo (2)