Composed of correspondence, publications, photographs, audio tapes, videocassettes, artifacts, newspaper clippings, and scrapbooks of Speaker Tip O'Neill. Most of the material relates to O'Neill's career in Congress, and documents his views on such issues as the Vietnam War, Watergate, and relations with Ireland. Also includes papers of O'Neill's staff, files of Democratic Committees, and some letters of late twentieth-century presidents.

Collection is open for research. Selected items are closed due to fragility; a microfilm access copy is available. Audiovisual recordings in this collection have been migrated from source media; digital use copies can only be accessed onsite in the Burns Library Reading Room.