Richard Brennan (barrister) (English Wikipedia)

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jmpublishing.ie

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"Short Biographical Statement" (PDF). Defence Forces Review: 175. 2011 – via Óglaigh na hÉireann - Defence Forces Ireland.
"Short Biographical Statement" (PDF). Defence Forces Review: 155. 2009.
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"Archived copy" (PDF). Archived from the original (PDF) on 2 November 2019. Retrieved 24 October 2020.{{cite web}}: CS1 maint: archived copy as title (link)

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"Biographical Details" (PDF). Launch of Defence Forces Review, University College Cork - Terrorism and the Evolving Terrorist Threat: 6. 17 November 2017 – via Óglaigh na hÉireann - Defence Forces Ireland.
"Biographical Details" (PDF). Launch of Defence Forces Review, University College Cork - Terrorism and the Evolving Terrorist Threat: 6. 17 November 2017 – via Óglaigh na hÉireann - Defence Forces Ireland.

"Archived copy" (PDF). Archived from the original (PDF) on 2 November 2019. Retrieved 24 October 2020.{{cite web}}: CS1 maint: archived copy as title (link)

Hayashi, Nobuo. (2010). National military manuals on the law of armed conflict. Forum for International Criminal and Humanitarian Law. (2nd ed.). Oslo: Torkel Opsahl Academic EPublisher. ISBN 9788293081029. OCLC 752007404.

Hayashi, Nobuo. (2010). National military manuals on the law of armed conflict. Forum for International Criminal and Humanitarian Law. (2nd ed.). Oslo: Torkel Opsahl Academic EPublisher. ISBN 9788293081029. OCLC 752007404.