His operas include The Bartered Bride (1943), Peter Grimes (1945),
Let's Make an Opera (1948), Billy Budd (1951, with
E.M. Forster), and Ruth
(1956). His opera translations include The Bartered Bride, Otello,
Falstaff and La traviata (all with Joan Cross), Idomeneo, Salome and
Die Frau ohne Schatten.