Books.

1.Apthorpe, W. F.Opera, Past and Present.
2.Dannrheuther, E.Wagner and Reform.
3.Edwards, H. S.Rossini and His School.
4.Gounod, Chas.Mozart's Don Giovanni.
5.Henderson, W. J.Some Forerunners of Opera.
6.Henderson, W. J.A Comment on Opera.
7.Krehbiel,A Book of the Opera.
8.Krehbiel,Studies of Wagnerian Drama.
9.MendelssohnStories of the Opera.
10.Newman, E.Gluck and the Opera.
11.Newman, E.Opera.
12.Sonneck, O. G.Early Opera in America.
13.Upton, Geo. P.The Standard Operas.
14.Victor Book of the Operas.
15.Introduction—American History and Encyclopedia.H. E. Krehbiel.
16.Groves Musical Dictionary.Pages 446, 454.
17.Moore Encyclopedia of Music.
18.Naaman Zwillingsbruder.Volume II.
19.Dictionary of Music.Rieman.
20.University Music Encyclopedia.
21.W. B. Matthews.History of Music.