31st Conference of the Inter-Parliamentary Union, Brussels, July 26-31, 1935
27th Session of Social Weeks of France, Angers, July 22 to 29, 1935
11th Session of the International Publishers Congress, London, June 7-12, 1936
International Peace Campaign
26th National Peace Congress, Leads 26-29 June 1936
21st International Antialcoholic Congress, Warsaw, September 12-17, 1937
12th Session of the International Publishers' Congress, 1938 (International Executive Committee Meetings, Geneva 1937)
Swiss National Exhibition, Zurich 1939
International Exhibition of the Art of Gardens, Cemeteries and Urban Planning (Geneva, April 15 to July 15, 1938)
Bucharest Conference, June 29 - July 2, 1938, "Role of public authorities in the health protection of individuals" organized by International Institute of Administrative Sciences and International Union of Local Authorities