Parrott 1997, стр. 22 Parrott, D. (1997). „The Mantuan Succession, 1627-31: A Sovereignty Dispute in Early Modern Europe”. The English Historical Review (445): 20—65. doi:10.1093/ehr/CXII.445.20..
Parrott 1997, стр. 22 Parrott, D. (1997). „The Mantuan Succession, 1627-31: A Sovereignty Dispute in Early Modern Europe”. The English Historical Review (445): 20—65. doi:10.1093/ehr/CXII.445.20..