Advisory Committee on Antarctic Names | International Olympic Committee | Committee of Public Safety | UK Antarctic Place-Names Committee | Republican National Committee | Central Committee | Democratic National Committee | House Un-American Activities Committee | International Committee of the Red Cross | United States Senate Committee on the Judiciary | United States House Committee on Ways and Means | United States Olympic Committee | American Jewish Committee | United States House Committee on the Judiciary | United States Senate Committee on Appropriations | Judicial Committee of the Privy Council | International Paralympic Committee | Central Committee of the Communist Party of the Soviet Union | United States House Committee on Appropriations | Italian National Olympic Committee | Committee to Protect Journalists | International Rescue Committee | United States Senate Committee on Foreign Relations | United States House Committee on Oversight and Government Reform | United States House Committee on Foreign Affairs | United States House Committee on Energy and Commerce | Committee of General Security | Committee on Public Lands | Committee of Union and Progress | United States Senate Committee on Finance |
He was Lord High Commissioner to the General Assembly of the Church of Scotland, a Privy Councillor and one of the Committee of the Estates.