Report on manuscripts in the Welsh language..
Great Britain. Royal Commission on Historical Manuscripts; Evans, J. Gwenogvryn (John Gwenogvryn), 1852-1930. ed; Mostyn, Llewelyn Nevill Vaughan Lloyd-Mostyn, 3rd baron, 1856-1929; Wynne, William Robert Maurice, 1840-1909; Williams, John, Sir, bart., 1840-1926