4 - Pestalozzi, Johann Heinrich, <1746-1827>. (OLS)http://semarc/name/7460; Sanna, Giovanni, <1877-1950>. (OLS)http://semarc/name/3648 (Opere complete, 1928)
Keywords: Educazione. (OLS)http://semarc/subject/204; Pedagogia. (OLS)http://semarc/subject/1060