Opera
Free to read here, from Project Gutenberg.
Le Fantôme de l'Opéra
The Phantom of the Opera
The Song of the Lark
Fair Margaret: A Portrait
The Perfect Wagnerite: A Commentary on the Niblung's Ring
The Russian Opera
The Opera
Debussy's Pelléas et Mélisande
History of the Opera from its Origin in Italy to the present Time
Gullible's Travels, Etc.
The Mapleson Memoirs, 1848-1888, vol I
The Mapleson Memoirs, 1848-1888, vol II
Old Scores and New Readings: Discussions on Music & Certain Musicians
Some Forerunners of Italian Opera
Musiciens d'autrefois
The Operatic Problem
Gertrud
The story of opera
The Great Musicians: Rossini and His School
Interpreters
The Development of Certain Tendencies in Modern Opera
Aspects of Modern Opera: Estimates and Inquiries
Chapters of Opera
The Mentor: Makers of Modern Opera, Vol. 1, Num. 47, Serial No. 47
Wagner's "Tristan und Isolde": An Essay on the Wagnerian Drama
The Countess of Rudolstadt
The Primadonna
Physiology of the opera