Johannes Wolf: Geschichte der Mensuralnotation von 1250-1460 (Leipzig, 1904).
Johannes Wolf: Florenz in der Musikgeschichte des 14ten Jahrhunderts (Sammelbände I. M.-G., 1901-1902).
In Italian
A. d'Angeli: La musica ai tempi di Dante (1904).
Luigi Torchi: La musica istromentale in Italia nei secoli 16º, 17º, e 18º (Rivista musicale, IV-VIII, 1898-1901).
LITERATURE FOR CHAPTER X
In English
Edward Dickinson: Music in the History of the Western Church (New York, 1902).
J. A. Symonds: Renaissance in Italy, Vol. IV.
In German