1870-1952 balloons bibliography biography childdevelopment children childrenpersonalitydevelopmenttheoriesofmontessori communityandschool congresses cousins earlychildhoodeducation earlychildhoodteachers education educationmontessorisystem educators elementary food homeandschool italy juvenilefiction juvenileliterature learningdisabilities learningdisabledchildren maria montessori nutrition parentparticipation personality personalityassessmentofchildren preschool publicschools schoolchildren schoolchoice teaching trainingof unitedstates women