There are now four YouTube clips featuring Celma Perry reflecting on the Montessori early childhood environment from her perspective of over 40 years as a Montessorian.

Two new ones are on the academic environment:

http://www.youtube.com/watch?v=0uqkpXTNY8M

and an anectdote about the study of art in early childhood Montessori:

http://www.youtube.com/watch?v=0uqkpXTNY8M