| The Irish Defence Forces Website | www.military.ie |
| Department of Defence | www.defence.ie |
| Irish Government | www.irlgov.ie |
| National Archives | www.nationalarchives.ie |
| Royal Dublin Fusiliers Association | www.greatwar.ie |
| Royal Munster Fusiliers | |
| Commonwealth War Graves Commission | www.cwgc.org |
| Somme Heritage Centre | www.irishsoldier.org |
| Fort Dunree Military Museum | www.dunree.pro.ie |
| Irish War Memorials Project | www.irishwarmemorials.ie |
| Combined Irish Regiments Association | www.combined-irish-regiments-oca.org.uk |
| Illustrated History Magazine | www.historyireland.com |
| The British Army in the Great War | www.1914-1918.net |
| Military Heritage Tours Ireland | www.militaryheritagetours.com |
| The War Room | http://www.skynet.ie/~dan/war/default.html |
| National Library of Ireland, Ephemera Collections | http://www.nli.ie/en/ephemera-introduction.aspx |
| Military History Society of Australia | www.pcug.org.au/~astaunto/mhsa.htm |
| The 69th Regiment of the American Army | www.sixtyninth.net |
| New Zealand Military History Society | www.nzmhs.org |
| An Cosantoir | www.dfmagazine.ie |
| Group Travel International | http://www.gti-ireland.com |