• International Penal and Penitentiary Commission (1893-1958)
• United Nations Information Organization (UNIO) (1940-1945)
• United Nations Temporary London Office (1941-1947)
• United Nations War Crimes Commission (UNWCC) (1943-1948)
• United Nations Relief and Rehabilitation Administration (UNRRA) (1943-1948)
• United Nations Conference on the International Organization (UNCIO) (1944-1945)
• Chinese National Relief and Rehabilitation Agency - CNRRA (1945-1947)
• Preparatory Commission for United Nations (1945-1958)