Title: Oratio ad Sanctiss. D.N. Gregorium, diuina prouidentia Papam XIV, pro serenissimo Duce Ferrariae Alfonso II Estensi, obedientiam ipsius nomine pr[a]estante illustrissimo & excellentissimo Philippo Estense, S. Martini Marchione
Subjects: Religion, Vow of Obedience
People: Alfonso II d'Este Duke of Ferrara, Modena, and Reggio (1533-1597), Gregory XIV Pope (1535-1591)