*Harold Rosenthal and John Warrack (1979), 'Varesi, Felice' in "The Concise Oxford Dictionary of Opera" (second edition; London) ISBN 0-19-311321-X.
* Harold Rosenthal and John Warrack (1979), 'Varesi, Felice' in "The Concise Oxford Dictionary of Opera" (second edition; London) ISBN 019 311321 X.