Late 1960s-Early 1970s
Unannotated libretto published by the Oxford University Press.
Date note:
EOG production performed in 1967, 1972, and 1974. This volume, with a pianoforte arrangement by Roy Douglas, is copyright of Oxford University Press.
1 volume
Archive
https://www.bpacatalogue.org/archive/EOG-10-49-3