Music manuscripts of the composer Mervyn Burtch. Original opus numbering (where known) is given in square brackets, e.g. [M.103] at the end of each file level description.

Manuscript full and vocal scores of the work, [?1900], together with instrumental parts.

Drafts of the libretto, 1949-1950, and a photocopy of the vocal score of 'Menna', an unpublished opera in three acts, (libretto by Wyn Griffith, music by Arwel Hughes); together with a copy of the Welsh translation by T. H. Parry-Williams for the National Eisteddfod at Ystradgynlais, 1954; a scenario of the opera and radio scripts, 1952-1953; and programmes of performances, 1953-1955, telegrams from well-wishers, and press cuttings.