| Newspapers |
- Belfast News-Letter
- “The Irish Championship”, May 16, 1940, p. 7 (Preview, eligibility)
- “Irish Championship”, August 5, 1940, p. 6 (Final standings)
- “Ruy Lopez”, November 14, 1940, p. 7 (Bourke -v- Nash game with annotations)
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- Cork Examiner
- “Irish Chess Championship”, July 16, 1940, p. 7 (Rounds 1 and 2, last moment withdrawal by Ulster players)
- “Irish Chess Championship”, July 17, 1940, p. 6 (Rounds 3 and 4, standings)
- “Irish Chess Championship”, July 19, 1940, p. 7 (Rounds 6 and 7, leading standings)
- “J.J. O'Hanlon wins Irish Championship”, July 20, 1940, p. 11 (Adjourned games results, final standings)
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- Evening Herald
- “The Irish Championship”, June 22, 1940 p. 6 (Preview, venue, intended number of participants)
- “Irish Chess Title”, July 11, 1940, p. 8 (Preview, schedule)
- “Irish Chess Title”, July 15, 1940, p. 3 (Round 1)
- “Irish Chess Title”, July 16, 1940, p. 3 (Rounds 3 and 4)
- “Rivals”, July 18, 1940, p. 8 (Picture of Casey and Kerlin game in play)
- “Irish Chess Title”, July 18, 1940, p. 3 (Round 6)
- “J.J. O'Hanlon is Irish Chess Champion”, July 19, 1940, p. 6 (Adjourned games results, final standings pending one game being completed)
- “Recent games”, September 7, 1940, p. 6 (Opening of O'Hanlon -v- Nash game)
- “A Dragon Var[iatio]n”, September 21, 1940, p. 6 ((Nash -v- Barry game annotated by Creevey; award for best game by non-prize winner)
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- Irish Independent
- “Irish Chess Title”, July 11, 1940, p. 9 (Preview, entries, schedule, rate of play)
- “O'Hanlon After Another Irish Title”, July 16, 1940, p. 9 ((Rounds 1 and 2, last moment withdrawal by Ulster players)
- “In Studious Mood" July 17, 1940, p. 10 (Picture of O'Hanlon playing Bourke in Round 4)
- “Kerlin leads in Irish Test”, July 17, 1940, p. 11 (Rounds 3 and 4, leading standings)
- “O'Hanlon Leads: Fine Achievement by Casey”, July 18, 1940, p. 8 (Adjourned games session and Round 5, standings)
- “Irish Chess Title In Balance”, July 19, 1940, p. 9 (Rounds 6 and 7, standings)
- “O'Hanlon Wins Title”, July 20, 1940, p. 9 (Adjourned games results, final standings)
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- Irish Press
- “After Irish Chess Title”, July 16, 1940, p. 9 ((Rounds 1 and 2, Ulster players unable to travel)
- “Irish Chess Title”, July 17, 1940, p. 8 (Rounds 3 and 4, leading standings)
- “O'Hanlon in front: Heading for His Ninth Irish Chess Title”, July 18, 1940, p. 8 (Adjourned games session and Round 5, standings)
- “Chess Title Not Decided Yet”, July 19, 1940, p. 9 (Rounds 6 and 7, standings)
- “J.J. O'Hanlon's Chess Title”, July 20, 1940, p. 8 (Adjourned games results, final standings)
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- Irish Times
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- “Irish Chess Championship: The first two sessions”, July 16, 1940, p. 6 (Rounds 1 and 2)
- “Irish Chess Championship”, July 17, 1940, p. 7 (Rounds 3 and 4, leading standings)
- “Irish Chess Championship”, July 18, 1940, p. 6 (Adjourned games session and Round 5, leading standings)
- “Irish Chess Championship”, July 19, 1940, p. 7 (Rounds 6 and 7, standings)
- “A Picture taken during the finals stages of the Irish Chess Championship at Dublin Chess Club yesterday”, July 20, 1940, p. 9 (O'Hanlon, with trophy alongside him, in play against Vard)
- “The Irish Chess Championship: Winner's Record”, July 20, 1940, p. 9 (Adjourned games results, final standings)
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- Limerick Leader
- “Foynes and District”, July 24, 1940 p. 4 (Bourke result)
- —, July 27, 1940 p. 12 (Bourke result and background)
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- Portadown Times
- “J.J. O'Hanlon's Chess Title”, 27 July 1940, p.3 (O'Hanlon's victory, four runners-up)
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