During this period he served first on the Temporary Slavery Commission and was involved in organising the 1926 Slavery Convention .
Between 1922 and 1936 , Lugard was the British representative on the League of Nations ' Permanent Mandates Commission .
During this period Lugard served first on the Temporary Slavery Commission and was involved in organising the 1926 Slavery Convention .
Between 1922 and 1936 , Lugard was the British representative on the League of Nations ' Permanent Mandates Commission .