Peter Thomas, John Morris, George Thomas, James Griffiths, Cledwyn Hughes
Adran y Darluniau a'r Mapiau / Department of Pictures and Maps.
PB 3025 C19901522/148
Pum Ysgrifennydd Gwladol cyntaf Cymru.
The first five Secretaries of State for Wales.
Los primeros Secretarios de Estado para Gales.