the-education-of-man-for-a-peaceful-world-community-program-xiiith-international-montessori-congress-amsterdam-spinoza-lyceum-1-4-april-1964-iejglsly Post date May 26, 2023 Tags Conferences, International Montessori Congress (13th, Amsterdam, Netherlands, 1-4 April 1964) ← the-education-of-man-for-a-peaceful-world-community-congress-report-of-the-xiiith-international-montessori-congress-amsterdam-netherlands-april-1-4-1964-mkrf9mp5 → maria-montessori-hcg8pzce