Fotografie 1: Aloys Michael LENZ during a session in Strasbourg, France, November 14 to 18, 1963
Fotografie 2: Jan BAAS during a session in Strasbourg, France, October 14 to 18, 1963
Fotografie 3: Pierre WERNER in. Brussels. October 1963
Fotografie 4: Pierre WERNER in. Brussels. October 1963
Fotografie 5: Victor LEEMANS during a session in Strasbourg, France, October 14 to 18, 1963