Toronto | University of Toronto | Metro-Goldwyn-Mayer | Second Vatican Council | World Boxing Council | United States National Research Council | Toronto Star | National Research Council | Toronto Blue Jays | Privy Council of the United Kingdom | British Council | Toronto Maple Leafs | Toronto International Film Festival | Metro Manila | Council of Trent | Council of Europe | National Security Council | Legislative Council | Privy Council of England | Greater London Council | Council on Foreign Relations | Lord President of the Council | United States National Security Council | Legislative Council of Hong Kong | Greater Toronto Area | City Council | World Council of Churches | Toronto Argonauts | Council of Constance | United Nations Security Council |
Gardner was a North York alderman representing Willowdale in the 1970s, a member of North York's Board of Control (1980-1982, 1985-1988), a Metro Toronto Councillor (1988-1997) and Toronto City Councillor for the same ward between 1997 and 2000.