Chapter XIII. Aspects of Renaissance Culture
[b] J. A. Symonds, op. cit.
[c] J. C. L. S. de Sismondi, Literature of Southern Europe.
[d] G. Vasari, op. cit.
[e] Philip Gilbert Hamerton, The Intellectual Life.
[f] H. Hallam, op. cit.
[g] Works of Leonardo da Vinci.
[h] W. Spalding, op. cit.
[i] Herman Grimm, Life of Michael Angelo.
[j] Wm. Roscoe, op. cit.