Ynys Môn - cyn, yn ystod ac ar ôl Y Rhyfel Byd Cyntaf Eitemau 11 items Math Casgliadau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
LLangefni Officer Killed - North Wales Chronicle and Advertiser for the Principality 19-07-1918 Math Eitemau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Anglesey Captain Killed in Action - North Wales Chronicle and Advertiser for the Principality 26-03-1915 Math Eitemau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
An Anglesey Officer Killed in Action - North Wales Chronicle and Advertiser for the Principality 18-05-1917 Math Eitemau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Beaumaris Soldier Killed - North Wales Chronicle and Advertiser for the Principality 04-08-1916 Math Eitemau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Powys - cyn, yn ystod ac ar ôl Y Rhyfel Byd Cyntaf Eitemau 52 items Math Casgliadau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Officers Killed - North Wales Chronicle and Advertiser for the Principality 27-08-1915 Math Eitemau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Two Welshpool Officers Killed - North Wales Chronicle and Advertiser for the Principality 14-05-1915 Math Eitemau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Conwy - cyn, yn ystod ac ar ôl Y Rhyfel Byd Cyntaf Eitemau 20 items Math Casgliadau Uwchlwytho gan Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
