1926 Aberystwyth Congress of the International...
Temple of Peace Opening Souvenir Supplement, 23...
Wales and The League of Nations 1929-1930
Cymru A Cynghrair Y Cenhedloedd 1928-1929
Wales and the League of Nations 1928-1929
Cymru A Cynghrair Y Cenhedloedd 1927-1928
Cymru A Heddwch Byd 1925, Y Trydydd Arodiadd...
Wales and World Peace 1925
Cymru A Heddwch Byd 1924, Undeb Cynghrair Y...
Wales and World Peace 1924
Wales and World Peace 1923