The Commonwealth Conference in London (14/03/1961): MS of facade of the new headquarters of the Canadian High Commissioner in London, Number One Grosvenor Square. Various shots of Prime Minister John Diefenbaker arriving, opening the building officially, meeting the staff, etc. George Drew is present. Shot of locale of the 19th Commonwealth Conference, of flags of member nations. Shots of Diefenbaker, Verwoerd, Mohammad Ayub Khan, Duncan Sandys, Nkruma, etc.