- Operas (2)
- Operas--Excerpts (2)
- Operas--Excerpts, Arranged (1)
- Opéras (1)
- Oratorios--Excerpts (1)
- Overtures (1)
- Songs (High voice) with orchestra (1)
- Songs (High voice) with piano (1)
- Songs (Medium voice) with instrumental ensemble (1)
- Songs (Medium voice) with piano (1)
- no value (18)