Resumen de Tres diplomas del cardenal Luna relativos a León: estudio diplomático
In this paper are analyzed, using the traditional method of the diplomatic science, three documents of Peter Martinez de Luna, cardinal of Saint Mary in Cosmedin, legate in Spain (1378-1390) of the Pope Clement VII of Avignon -and, in the futuro, Pope (1394-1423)-. The refered documents come from the monastic archives of Saint Mary of Carbajal and Saint Isidore of Leon.
