Collections
W. B. Yeats Library
44
Letters of Sean O'Casey to Mai McCarthy
30
Letters and poems of Sean O'Casey to Máire Keating, 1917-1920
20
Stephen Griffin Collection
18
Letters from Sean O'Casey to Radio Éireann, 1943-1958.
9
William O'Brien (1881-1968) Papers, 1898-1969
9
Dolmen Press Collection
7
Holloway Book Collection
7
Autograph manuscript of 'Juno and the Paycock', with typescript drafts of later versions, [ca.1923].
6
Dr Patricia Donlon collection of Irish, Irish-related and other children's books
4
Sean O'Casey's notebooks, with miscellaneous related material, [ca. 1927-1978].
4
F. R. Higgins Papers, 1900-1982
2
Letters to Saros Cowasjee relating to his research on Sean O'Casey, 1958-1964.
2
Abbey Theatre Papers.
1
Austin Clarke Papers, 1913-1974.
1
Eileen O'Casey Papers, 1921-1996.
1
Eoin O'Mahony Papers, 1941 & 1947
1
Francis MacManus Papers, 1927-2009.
1
Frank Gallagher Papers
1
James Plunkett Papers, 1938-1998.
1
John Jordan Papers, 1945-1988
1
John Montague Papers.
1
Lord Castletown Papers, 1748-1937.
1
Pearse Papers, 1870-1932
1
Sean O'Casey papers, 1917-1993
1
Seán T. Ó Ceallaigh and the Ryans of Tomcoole papers, 1854-1983.
1
Sheehy-Skeffington papers (Additional), 1880-1970.
1