Gw mau tau Archivo General de Simancas dari Wangsa O'Neill

Archivo de la Chancilleria de Valladolid

The Belfast Newsletter, Thursday 12 March 2015

"Conn O'Neill of Kilskerry", The Clogher Record, vol 6, no. 2, 1967.

Debrett's Peerage and Baronetage 1995, edited by Charles Kidd and David Williamson, published by Debrett's Peerage Limited, and Macmillan Reference Books, London, 1995,  & 0-312-12557-7],

Registro demografico de Puerto Rico

Obispado de San Juan, Puerto Rico

King James Army List, 1689–1691

Irish Names and Surnames by Rev. Patrick Woulfe, 1923

The O'Neills of Ulster; Their History and Genealogy, Volume III, by Thomas Mathews, Dublin, Sealy, Bryers & Walker, 1907

The History of Irish Brigades in the service of France, Shannon (1969)

The Journal of the Kilenny and Southeast of Ireland, Vol 5. 1864–66, Dublin. pg.90–99, 457–459, 301–302

The General Armory of England, Scotland, and Wales, pg. 758.

The Fall of the Irish Chiefs and Clans, by George Hill

The Royal Families in Europe, Edition V, O'NEILL, by Ulwencreutz Media 2013

"No. 23370". The London Gazette. 14 April 1868

Tyrone's Rebellion, by Hyram Morgan

Don Bernardo O'Neill of Aughnacloy, Co. Tyrone, by Michelin K. Walsh. pg. 320–325