The operas of Verdi /
Budden, Julian.
New York : Oxford University Press,
1978-1981.
Includes index.
Bibliography: v. 3, p. 533-538.
1. From Oberto to Rigoletto.--2. From Il trovatore to La forza del destino.--3. From Don Carlos to Falstaff.
Verdi, Giuseppe, 1813-1901.