[j] M. Lafuente, Historia General de España.
[k] J. C. L. S. de Sismondi, Literature of Southern Europe.
Chapter XVI. A Century of Obscurity
[b] Wm. Hunt, History of Italy.
[c] E. Proctor, op. cit.
[d] Antonio Cosci, L’Italia durant le Preponderanza Straniere (in Villari’s work).
[e] H. B. Briggs, article “Savoy” in the Ninth Edition of the Encyclopædia Britannica.
[f] William Whewell, History of the Inductive Sciences from the Earliest to the Present Time.
[g] Galileo, Dialogo delli due Massimi Sistemi del Mondo, Tolemaico e Copernicano.