- April Blood - Lauro Martines
- The Bad Popes - E.R. Chamberlin
- Cambridge Translations of Renaissance Philosophical Texts - Volume 2: Political Philosophy - Jill Kraye, Editor
- Census and Property Survey for Florentine Domains and the City of Verona in Fifteenth Century Italy - David Herlihy and Christiane Klapisch-Zuber; Cambridge, Mass.: David Herlihy, Harvard University, Department of History and Paris, France: Christiane Klapisch-Zuber, Ecole Pratique des Hautes Etudes, 1977. Madison, Wis.: University of Wisconsin, Data and Program Library Service, 1988 and 1996.
- Florence - Y. & E.-R. Labande - translated by Jane Howitt
- Forbidden Friendships - Michael Rocke
- Global Financial Data - http://www.globalfindata.com/frameset.php3?location=/gh/142.html
- History of Florence and of the Affairs of Italy From the Earliest Times to the Death of Lorenzo The Magnificent - Niccolo Machiavelli
- Measuring the Italian Economy, 1300-1861 - Paolo Malanima
- Medici, Godfathers of the Renaissance - http://www.pbs.org/empires/medici/
- Medici Money - Tim Parks
- Palazzo di Bocce - http://www.palazzodibocce.com
- Power and Imagination - City-States in Renaissance Italy - Lauro Martines
- The City of Florence - Historical Vistas and Personal Sightings - R. W. B. Lewis
- The Economic History of Later Medieval and Early Modern Europe - Prof. John H. Munro
- The Feud That Sparked the Renaissance - Paul Robert Walker
- The History of Money - Jack Weatherford
- The House of Medici - its rise and fall - Christopher Hibbert
- The Man of the Renaissance - Ralph Roeder
- The Medici - Colonel G. F. Young