Digital Object Maria Montessori, Circa 1916, Barcelona Photograph of Maria Montessori, Circa 1916, Barcelona.
Digital Object Maria Maraini Guerrieri Gonzaga Ex Libris Maria Maraini Guerrieri Gonzaga Ex Libris of 'L'Autoeducazione Nelle Scuole Elementari'
Digital Object Maria Montessori, 1916 (circa), Barcelona with Boy Maria Montessori with a student at the Children's House in Barcelona circa 1916
