This series contains miscellaneous materials associated with John Byrne and Mary Condon including: personal correspondence of John Byrne, letters to Mary Condon from Dennis Clark, the death certificate and personal effects documents of IRA member Tom Fay, materials gathered by Timothy Sarbaugh for personal research purposes, and oral history tapes believed to be of Joseph Wehrly, the Murray Family, Margaret White, and John Bryne, Jr. Two boxes contain index cards used to organize the collection at an earlier date.