Awarded the British Academy's Rose Mary Crawshay Award for criticism, 1986, for her 2-volume Letters of J. M. Synge (OUP). She is one of the General Editors of the Cornell Yeats series (publishing the MSS of the entire Yeats canon); and on the editorial boards of the Canadian Journal of Irish Studies, the Irish Studies Review, the Irish University Review, the Correspondence of Bernard Shaw, and the Shaw Annual; and co-founder of the journal Theatre Research in Canada.