characteristics-of-montessori-materials-los-angeles-lecture-2-12-may-1915-wgui5ahr Post date December 14, 2021 Tags Maria Montessori - Speeches, addresses, etc. ← correction-of-error-and-the-psychic-development-of-the-child-san-francisco-panama-pacific-international-exposition-lecture-18-14-september-1915-apbxvtl6 → biological-liberty-and-the-psychic-development-of-the-child-oakland-lecture-28-august-1915-eh7peta8