Chapter VIII. The Despots and Tyrants of the Fourteenth and Fifteenth Centuries

[b] W. Spalding, op. cit.

[c] Robert Comyn, History of the Western Empire.

[d] H. Hallam, op. cit.

[e] J. C. L. S. de Sismondi, op. cit.

[f] Isaac Butt, The History of Italy from the Abdication of Napoleon.

[g] J. Burckhardt, op. cit.

[h] S. A. Dunham, op. cit.

[i] E. Proctor, op. cit.