Contains Ní Dhomhnaill's correspondence, and manuscripts (poetry, prose, short stories and radio scripts). The collection also contains files related to her research activities and membership in professional organizations. These materials document her use, study and teaching of the Irish language and Irish folklore. Additionally, the collection contains articles about Ní Dhomhnaill's life and creative work. It also includes writings of other writers collected by Ní Dhomhnaill. Many of the materials are undated.
