See, for example, Honour, Hugh; Fleming, John (1982). A World History of Art. London: Macmillan Reference Books. p. 357. ISBN978-0333235836. OCLC8828368.; " Britannica online, "High Renaissance": "High Renaissance art, which flourished for about 35 years, from the early 1490s to 1527, when Rome was sacked by imperial troops, revolved around three towering figures: Leonardo da Vinci (1452–1519), Michelangelo (1475–1564), and Raphael (1483–1520)."
See, for example, Honour, Hugh; Fleming, John (1982). A World History of Art. London: Macmillan Reference Books. p. 357. ISBN978-0333235836. OCLC8828368.; " Britannica online, "High Renaissance": "High Renaissance art, which flourished for about 35 years, from the early 1490s to 1527, when Rome was sacked by imperial troops, revolved around three towering figures: Leonardo da Vinci (1452–1519), Michelangelo (1475–1564), and Raphael (1483–1520)."