File of correspondence between Ria Mooney and Mary O'Malley in relation to theatrical and personal matters. Includes her views on various actors who might be suitable for the verse plays of Yeats: 'Michael Hennessy who has a great love of poetry 'sings' it like Michael MacLiammóir' (20 August 1958).
File of correspondence between Lord Moyne and Mary and Pearse O'Malley, mainly relating to theatre openings and some Arts Council business. Includes some similar correspondence from Captain Peter Montgomery.
Letter from Margaret Nicholl to Pearse O'Malley, discussing her complimentary tickets which she received as a life member. Includes O'Malley's reply.
File of letters from Eoin O'Mahoney and Pearse and Mary O'Malley on general matters, including the organisation of a reception for the Irish Ballet Company in Belfast in early 1962.
File of correspondence between Labhrás Ó Nualláin and Pearse and Mary O'Malley, relating to theatre business, to Threshold and some personal matters. Includes his comments on the situation in the South, 'the political front down here is completely bleak and thinking, outside of economic matters, is barren' (28 December 1957).
File of correspondence between Andrew Parkin of the University of British Columbia and Mary O'Malley, relating to their mutual interest in Yeats' plays, and on other Lyric topics.
File of correspondence between James Plunkett, writer and playwright, and Mary O'Malley relating to the staging of his plays and payment for same. Includes letter detailing his revisions of The Risen People (15 August 1975).
File of letters from W.D. Rodgers to Mary O'Malley in relation to his contributing a poem for the laying of the foundation stone of the Lyric. Includes a copy of his poem Prologue to 'The Countess Cathleen' .
File of correspondence between the Theatrical Management Association and representatives of the Lyric Theatre, relating to pay and conditions for employees. Includes correspondence relating to a dispute between the Lyric and former employee Bernard Cullen, who disputes the circumstances of his dismissal (1976-77).
Letter from Martin Walton, of Walton's Musical Instrument Galleries in Dublin, to Mary O'Malley enclosing copies of Yeats songs with musical arrangements by Steven Scott. The songs include 'The Dreaming of the Bones', 'Down by the Sally Garden', and 'I Am of Ireland', amongst others.