Context:

Referenced multiple times as a 'very jolly popular history of this period' about Florence and the Medici. Hibbert is quoted regarding Florentine attitudes and provides pen portraits of historical figures like Maddalena and Franceschetto.

Context:

Referenced when describing Pope Sixtus IV's physical appearance. Dominic states 'Christopher Hibbert, who's very good at these pen portraits, calls him a big, gruff, toothless man with a massive head, a small, squashed nose, and an intimidating expression.' This appears to be from a historical work about Renaissance Italy or the papacy.

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Explicitly described as 'a brilliant book on the Medici by Christopher Hibbert, a great popular historian of the 60s and 70s' - referenced for information about Medici Florence's government and later for a description of Duke Filippo Maria Visconti