Correspondence and accounts relating to R. Silyn Roberts’s involvement with the Hedd Wyn Memorial Fund, Ychwanegu i'r clipfwrdd BMSS/17203-17211. Cyfres 1917-1927. Rhan oR. Silyn Roberts Papers,
Material relating to the 38th (Welsh) Division, 14th (Service) Royal Welch Fusiliers. Ychwanegu i'r clipfwrdd File 1. Cyfres Rhan oPapers of Major W.P. Wheldon,
Education and Military Service. Ychwanegu i'r clipfwrdd File 1. Cyfres Rhan oU.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
Staff and Students involved in the War. Ychwanegu i'r clipfwrdd File 2. Cyfres Rhan oU.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
Material relating to Major W.P. Wheldon’s Military Service during the War. Ychwanegu i'r clipfwrdd File 2. Cyfres Rhan oPapers of Major W.P. Wheldon,
Material relating to Wheldon's 'Distinguished Service Order' (D.S.O.). Ychwanegu i'r clipfwrdd File 3. Cyfres Rhan oPapers of Major W.P. Wheldon,
Work of the College during the War. Ychwanegu i'r clipfwrdd File 3. Cyfres Rhan oU.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
Roll of Service and Record of Service. Ychwanegu i'r clipfwrdd File 4. Cyfres Rhan oU.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
Material relating to the 14th (Service) Battn. Royal Welch Fusiliers. Ychwanegu i'r clipfwrdd File 4. Cyfres Rhan oPapers of Major W.P. Wheldon,
Maps, plans and aerial photographs relating to the 3rd Battle of Ypres. Ychwanegu i'r clipfwrdd File 5. Cyfres Rhan oPapers of Major W.P. Wheldon,
North Wales Heroes Memorial. Ychwanegu i'r clipfwrdd File 5. Cyfres Rhan oU.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
