Title: Cartas del señor Galileo Galilei, académico linceo, escritas a Benedetto Castelli y a la señora Cristina de Lorena, Gran Duquesa de Toscana
Subjects: Correspondence, Early works to 1800, Astronomy
People: Nicolaus Copernicus (1473-1543), Benedetto Castelli (1577 or 8-1643), Galileo Galilei (1564-1642), Christine of Lorraine, Grand Duchess, consort of Ferdinand I, Grand Duke of Tuscany (1565-1636)