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Incoming Resources
- Operas -- Thematic catalogs
- Operas -- Librettos -- Juvenile literature
- Operas -- France -- Paris -- History -- 21st century
- Operas -- Excerpts -- Vocal scores with piano
- Operas
- Operas -- Italy -- 20th century -- Excerpts
- Operas -- Fiction
- Operas -- Comic books, strips, etc
- Operas -- Excerpts -- Chorus scores with piano
- Operas -- Germany -- 18th century -- Excerpts -- Vocal scores with piano
- Operas -- Excerpts -- Juvenile sound recordings
- Operas -- 20th century -- History
- Operas -- Excerpts -- Juvenile -- Vocal scores with piano
- Operas -- Film adaptations -- History and criticism
- Operas -- Stories, plots, etc
- Operas -- Television adaptations
- Operas -- Discography
- Operas -- Vocal scores with piano
- Operas -- Italy -- 19th century
- Operas -- 17th century
- Operas -- Chorus scores without accompaniment
- Operas -- 20th century -- Stories, plots, etc
- Operas -- Juvenile sound recordings
- Operas -- Adaptations
- Operas -- Chorus scores with piano
- Operas -- Austria -- 18th century -- Excerpts -- Vocal scores with piano
- Operas -- Drama
- Operas -- 18th century
- Operas -- Instrumental settings
- Operas -- Stories, plots, etc -- Juvenile literature
- Operas -- Excerpts -- Bibliography
- Operas -- Excerpts, Arranged
- Operas -- Compact disc catalogs
- Operas -- Excerpts -- Instrumental settings
- Operas -- Librettos
- Operas -- Juvenile fiction
- Operas -- Excerpts -- Scores
- Operas -- Excerpts, Arranged -- Scores and parts
- Operas -- Excerpts, Arranged -- Vocal scores with piano
- Operas -- Film adaptations
- Operas -- Excerpts, Arranged -- Scores
- Operas -- Juvenile
- Operas -- Italy -- 19th century -- Excerpts
- Operas -- Juvenile -- Vocal scores with piano
- Operas -- Juvenile films
- Operas -- 19th century -- Librettos
- Operas -- Scores
- Operas -- Excerpts -- Piano scores
- Operas -- Excerpts
- Operas -- Stories, plots, etc -- Juvenile fiction