The tree of life : : oratorio for soprano, tenor, chorus and orchestra, op. 79,
Bound ink full score, dated July 1971 (Oxford University Press on front cover); two bound facsimiles of same (one marked 'A' and 'Music on Hire', the other 'B').
text by W. Moelwyn Merchant.
Rhan oThe Tŷ Cerdd Archive,
Bound ink score.
y geiriau gan: the words by Aneirin Talfan Davies.
Job : : oratorio for bass solo, mixed choir and orchestra, op. 24,
Ink full score (dated May 1962 [1959-1962]); chorus scores (4, March 1962); piano scores (2); bass solo parts (2); pencil sketch (photocopy); and Welsh text (typescript, with amendments).
words selected from the Bible by Aneirin Talfan Davies.