"The Lives of the Popes and Emperors" enjoyed a number of printings in the early Renaissance: Florence, 1478; Venice, 1507, 1526 and 1534. Today copies of these editions may be found in at least eight American libraries: New York Public, University of Miami, Chicago, Cornell, Indiana, Princeton, Washington (Seattle) and Yale. The obvious reason for this popularity was its attribution to Petrarch and Petrarch's reputation as a great historian of the...