1970s
Photocopy of the typeset libretto, revised by Colin Graham in February 1973.
Loose pages filed in a pink folder.
Annotations:
Crossings-out in blue mark and text amendments in pencil.
Date note:
EOG production toured England in June and July 1977 and was performed in Florence in June 1978.
1 volume
Archive
https://www.bpacatalogue.org/archive/EOG-10-43-6
