Cymru A Heddwch Byd 1925, Y Trydydd Arodiadd...
Cymru A Heddwch Byd 1924, Undeb Cynghrair Y...
Cymru A Cynghrair Y Cenhedloedd 1927-1928
Cymru A Cynghrair Y Cenhedloedd 1928-1929
Wales and The League of Nations 1929-1930
WLNU - Welsh League of Nations Union Reports ...
Wales and World Peace 1925
Pioneering for Peace - Annual Report of the...
Wales and the League of Nations 1928-1929
Wales and World Peace 1924
Report of the Women's Peacemakers...