The trojans in Carthage. [music] : an opera in 4 acts /

Mode of access: Internet.

I vespri siciliani. [music] : opera in 5 atti /

For voice and piano; Italian words only.

The favorite quartett in Winter's opera of Operfest /

Mode of access: Internet.

Les amours du diable : opera féerie en quatre actes et neuf tableaux /

French words.

Don Pasquale : an opera in three acts /

Libretto by Giovanni Ruffini.--Cf. New Grove Dictionary.

Hispaniae schola musica sacra. : Opera varia (saecul. XV, XVI, XVII et XVIII) /

The prefaces, biographical introductions, analytical notes and bibliographies are in Spanish and French.

Don Carlo. [music] : opera /

The libretto is based on Schiller's drama Don Carlos. Cf. Loewenberg. Annals of opera.

Aida. [music] : an opera in 4 acts /

Mode of access: Internet.

Marietta's song : from the opera The dead city = Mariettas Lied zur Laute /

For medium voice and piano; German and English words.

Air de Lensky : o days of youth : from the opera Eugene Onégin /

Originally for voice and orchestra; arr. for violin and piano.

Matrimony : a petit opera in two acts, as performed at the Theatre Royal, Drury-Lane. /

Avery Classics (Offsite) copy: With markings.

La fanciulla del West : opera in tre atti (dal dramma di David Belasco) /

Mode of access: Internet.

The fairy queen : an opera /

Libretto perhaps by E. Settle--New Grove.

Kniazʹ Igorʹ = Le prince Igor = [Fürst Igor] : opera vʹ 4 aktakhʹ sʹ prologomʹ /

Opera, completed by N. A. Rimskiĭ-Korsakov and A. K. Glazunov.

De opera scholastica fratrum vitae communis in Nederlandia .

"Index operum" : p.[97]-99.