• David J. Grundy, Skerries, Dublin
• Scotland’s People
• The Drogheda Historical Society, from the archives of The Drogheda Independent and The Drogheda Advertiser, Mellmount Museum, Drogheda, Co Louth, Ireland
• Stornoway Gazette, 15th March 1918 and 12th April 1918, from transcript of original copies, held on microfilm at Stornoway Library
• Comann Eachdraidh Uig, Uig Museum, Timsgarry, Isle of Lewis
• Commonwealth War Graves Commission
• Cork Examiner archives (now Irish Examiner), courtesy Brendan Mooney
• From book: The Irish Boats (Cork & Waterford), courtesy Brendan Mooney
• Uboat.net
• Portrait photograph: Loyal Lewis Roll of Honour 1914-1918, Stornoway Gazette, 1921 (held at Stornoway Library)
• Photographs of Balbriggan Coast Guard Station are the copyright of Mr. David Brangan and is reproduced with his kind permission.
