FRANCE. Ile-de-France region. Paris. 15th arrondissement. Parc des expositions de la porte de Versailles. Election campaign for the presidential elections. Unitary meeting of the left in support of the common candidate of the left. François MITTERRAND (on the left), First secretary of the Socialist Party; Union of the Left (Union de la Gauche) candidate. Georges MARCHAIS (on the right) French Communist Party (Parti Communiste Français) Secretary-general. Thursday April 25th, 1974.