230-enter-exposition-school-9769p4dh Post date June 9, 2022 Tags Americas, Maria Montessori - Biographic sources, Montessori method of education - Teacher training, North America, Panama-California Exposition (1915, San Diego, California), Teacher training, United States of America ← noted-educators-will-speak-at-exposition-ixvkhclr → mme-montessori-tells-of-work-with-tots-pt97t5sq