APIVOR MANUSCRIPTS. Vol. XXIII. 'Mutations', five pieces for cello and piano, op. 34; 1962. Score. The twelve tone row on which the work is based is given on f. 1v. ff. 18. Overall size 365 x 270mm.
APIVOR MANUSCRIPTS. Vol. XIX. 'Clarinet Concertante' for solo clarinet, strings, percussion, harp and piano (or celesta), op. 7A; 1958. Full score. An orchestration of the work for clarinet, piano and percussion, op. 7, originally composed in 1945. For a privately produced facsimile of the autog...