Maria furthers her studies to adapt her method for the public. Her research includes many theorists such as Vittorino da Feltre.
Vittorino de Feltre (1378 – 1446):
Vittorino believed in teaching all children. He would treat children from nobility and poverty equally. Also he stressed building close relationships with the child and adapting lessons to their needs. His schools had a large reputation such as “The House of Joy” and "School of Princes."
Cole, Luella (1962). A History of Education: Socrates to Montessori. New York: Holt, Rinehart and Winston.