The hidden Michelangelo /
Salvini, Roberto.
De Battisti, Mariella.
Melis, Marisa.
Atthill, Catherine.
Oxford Phaidon
1978
Translation of: 'Michelangelo'. Milan : Arnoldo Mondadori, 1976
Bibliography: p.188-189. - Includes index
Michelangelo Buonarroti, 1475-1564.