Brown, Alison (1979). "Pierfrancesco de' Medici, 1430-1476: A Radical Alternative to Elder Medicean Supremacy?". Journal of the Warburg and Courtauld Institutes. 42 (1): 81–103. doi:10.2307/751086. JSTOR751086.
jstor.org
Brown, Alison (1979). "Pierfrancesco de' Medici, 1430-1476: A Radical Alternative to Elder Medicean Supremacy?". Journal of the Warburg and Courtauld Institutes. 42 (1): 81–103. doi:10.2307/751086. JSTOR751086.