honor-helen-keller-at-panama-exposition-cctkw3uz Post date April 25, 2022 Tags Americas, Helen Keller - Biographic sources, Maria Montessori - Biographic sources, North America, Panama-Pacific International Exposition (1915, San Francisco, California), United States of America ← dr-montessori-is-not-to-come-here-d2fg3uig → mrs-howard-gould-sails-for-china-bwutsutt