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Gregorio (Goro) Dati (15 April 1362–17 September 1435) was a Florentine merchant and diarist best known for the authorship of The Diaries of Gregorio Dati, which represents a major source for the social and economic historians of the Renaissance Florence, alongside the diaries of Buonaccorso Pitti. Dati primarily traded in silk, but also in other commodities such as cloth and pearls. Gregorio Dati was one of the seventeen children of Stagio Dati (9 March 1317 - 11 September 1374) and Monna Ghita. Dato and Monna Filippa were his grandparents and Fra Leonardo Dati was one of his brothers.
- Raymond Edson, "Medieval Maps in Renaissance Context: Gregorio Dati and the Teaching of Geography in Fifteenth-Century Florence," in Richard J.A. Talbert and Richard W. Unger (eds), Cartography in Antiquity and the Middle Ages: Fresh Perspectives, New Methods (Leiden, Brill, 2008) (Technology and Change in History, 10).
- Patrick J. Geary (ed.), Readings in Medieval History (Broadview Press, 2003), pp. 836–851.
- La sfera From the Rare Book and Special Collections Division at the Library of Congress
- John Barnes, "Dati, Gregorio (1362–1435)", The Oxford Companion to Italian Literature, 2002. ISBN 9780198183327.
- Geary, Patrick J. (ed.), Readings in Medieval History (Broadview Press, 2003), pp. 836-851.