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Report of the Women's Peacemakers...
Atodiad Cofraglen Agoriad y Deml Heddwch, 23...
Arloesi Dros Heddwch - Adroddiad blynyddol 1926...
' The International Federation of League...
1935 David Davies 'Bronze Bust' Memorial
Cymru A Heddwch Byd 1924, Undeb Cynghrair Y...
The League Of Nations Union Year Book 1934
League of Nations Union Annual Report 1930