Volumes 3, 4, 19, and 108 of the Fondo Bolognetti in the Vatican Archives. Papers concerning the English colonization of Maryland, some of them involving Lord Calvert, Baron of Baltimore; correspondence of Gregorio Panzani, Pope Urban VIII's secret agent in England, along with a handwritten copy of his diary (1634-1636); letters received by Giorgio Coneo concerning Panzani's mission; and other correspondence of Coneo (1634-1639).