Tolong jelaskan mengenai Bacaan tambahan dari Francesco Barberini (1597–1679)

Ketty Gottardo, 'Cardinal Francesco Barberini and the Specula Pricipum Tradition,' Print Quarterly, XXVIII, 2011, pp. 292–97

Francesco Barberini seniore  at The Cardinals of the Holy Roman Church: a digital resource created and produced by Salvador Miranda