The collection comprises scripts, 1982-1997, together with associated publicity material, programmes and reviews, and papers relating to Write On! festivals, including workshops and rehearsed readings. Many of these scripts include drafts, fair copies and rehearsal copies. There are also adaptations of foreign plays, 1930-1993; scrapbooks, 1984-1992, containing press cuttings of reviews of performances, programmes, and posters relating to productions and festivals staged; scripts from 'Write On!' festivals, 1985-1993; and miscellaneous papers, 1982-1992.

Sgriptiau a phapurau amrywiol yn ymwneud â dramâu llwyfan Gwenlyn Parry, [1966]-1992, yn cynnwys Saer Doliau, Tŷ ar y Tywod, Sal, Y Ffin, Y Tŵr, a Panto.