International Association for the Protection of Industrial Property

• Congrès de Stockholm du 23 au 31 mai 1958
• Legislation safeguarding the interests of the inventor (Das Recht des schöpferischen Menschen)
• Observations sur l'avant-projet de convention instituant un brevet européen
• Reunion of the International Group for the Study of the Protection of Works of Applied Art, Designs and Models, Paris, UNESCO House, 20th to 23rd April 1959