Larner, John. Italy in the Age of Dante and Petrarch, 1216-1380. Lhi Series. New York: Longman, 1980.
From the publisher:
John Larner examines all the major developments across the Italian peninsula in the period that saw the rise of Florence and Venice, the development of a commercial empire by Italian towns which stretched from England to China, as well as the extraordinary cultural growth of the time.
Online:
Google