Klein, Herman

The Bel Canto – With particular reference to the singing of  Mozart.  

London, Oxford University Press, 1923. 


Lamperti, Francesco

A Treatise on the Art of Singing.  Tr. J.C. Griffith.  London, Ricordi, cc1877.

The Singer,s Guide – Theoretical, Practical and Elementary.  London, Edwin Ashdown [n.d.]


Lamperti, Giovanni  Battista

Vocal Maxims.  New York, Taplinger  Publishing Co., 1931. 


Mastrigli,  Leopoldo

Manuale del Cantante.  Milano, Ulrico Hoepli,  1890.


New Oxford Companion to Music.
2v.  Ed. Denis Arnold.  Oxford, Oxford University Press, 1983 rev.1996.


Rosselli,  John

Singers of Italian Opera. 

Cambridge, Cambridge University Press, 1992.


Warrack, John  &  West, Ewan

The Oxford Dictionary of Opera. 

Oxford, Oxford University Press, 1992.