Kilpatrick, William Heard <br/><br/>
Montessori System Examined / 
William Heard Kilpatrick 
 -  Lector House ,  2023 
 - 86 
<br/><br/><label>ISBN: </label>9789356147423 
<br/><br/><label>Dewey Class. No.: </label>371.392  / KIL