He also wrote opera librettos for Richard Rodney Bennett (The Mines of Sulphur, All the King's Men and Victory) and Nicholas Maw (The Rising of the Moon).
Cecere set to music at least two librettos by Pietro Trinchera, including La tavernola abentorosa. Trinchera, not Cecere, was punished because La tavernola abentorosa
They also collaborated on two librettos for Henze, Elegy for Young Lovers (1961) and The Bassarids (1966), and on the libretto of Love's Labour's Lost (based on Shakespeare's play) for Nicolas Nabokov (1973).
Howard Mayer Brown: Italian opera librettos : 1640-1770. Italian opera, 1640-1770 v. 60.
Like most theatre composers of the time, Portugal set several librettos that had proven successful for earlier operas, such as Metastasio’s Demofoonte (premièred at La Scala, Milan in 1794) and Artaserse; and he set many stories that had been used before, including Serse, Alceste, Adrasto, Semiramide and Sofonisba.
He wrote many operas, often using his own librettos, such as The Revenge of Catullus based on the work of Vrchlický (1917), Alladina and Palomid (based on the work of Maeterlinck, 1925), Ňura (1932), How the Death came in the World (1936), Jiří from Kunštát and Poděbrady (based on the work of Alois Jirásek, 1941), Cradle (composed on the work of Jirásek, 1951), Eupyros (1960).
During this period, he wrote librettos for numerous Italian operas including Handel's Floridante (1721), Muzio Scevola (1722), Riccardo Primo (1927) and Deidamia (1741).
He lived with writer Gail Godwin for some thirty years; the two collaborated on several librettos.
Savoy Operas is a collection of four opera librettos by W. S. Gilbert that had been set to music by Arthur Sullivan, originally published 1909.
Writing his plays and opera librettos, Knyaznin often borrowed some ideas from Voltaire, Metastasio, Molière and Carlo Goldoni developing them and putting in different context.