Chapter XV: The Beginning of the Age of Slavery

[b] J. A. SYMONDS, article “Italy” in the Ninth Edition of the _Encyclopædia Britannica_.

[c] E. PROCTOR, _op. cit._

[d] J. C. L. S. DE SISMONDI, _op. cit._

[e] W. ROBERTSON, _The History of the Reign of Charles V_.

[f] CARLO DENINA, _Delle Rivoluzioni d’Italia_.

[h] CALLEGARE, “Preponderanze straniere” in _Storia politica d’Italia scritta da una Società di Professori_.

[i] JULES ZELLER, _Histoire de l’Italie_.

[j] M. LAFUENTE, _Historia General de España_.

[k] J. C. L. S. DE SISMONDI, _Literature of Southern Europe_.