The Boor / opera : 1 act / 1955
Susanna and the Elders / opera : 2 acts / 1956
Jeremiah / opera : 4 acts / 1962
Judith and Holofernes / opera : 3 acts / 1978
Chinchilla / opera : 3 acts / 1986
The Island of Tomorrow / opera : 1 act / 1986
The Conquistador / opera : 3 acts / 1997
Animalopera / children's puppet opera : 1 act / 2001
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