Chapter IV · The Thirteenth Century
Reading edition
b J. C. L. S. de Sismondi, op. cit.
c H. E. Napier, op. cit.
d Lorenzo Pignotti, The History of Tuscany.
e Malaspina, op. cit.
f N. Macchiavelli, History of Florence.
G. B. Testa, op. cit.
h B. Duffy, Tuscan Republics.