the-imagination-san-diego-lesson-of-19-july-1915-elvdvmsr Post date December 14, 2021 ← the-human-senses-and-the-psychic-development-of-the-child-san-francisco-panama-pacific-international-exposition-lecture-20-20-september-1915-dlb8e3ty → the-manipulative-materials-in-relation-to-the-childs-psychic-development-san-francisco-panama-pacific-international-exposition-lecture-11-26-august-1915-ghalupfq