L'Epistolario di Gerberto, papa astronomo
  A new Italian edition of the Letters of Gerbert, the astronomer, scientist and philosopher who become pope Silvester II, with their papal privileges has been published in the occasion of the international year of astronomy. The italian translation (1980) of Maria Giulia Panvini Carciotto (1949-1996), has been co-edited by Costantino Sigismondi and Paolo Rossi. The volume, according to the will of the relatives of Dr. Panvini Carciotto is available either in press and as free e-book on the web indexed with the words "Gerberto Episolario". 
Costantino Sigismondi
physics.hist-ph