Here are some resources that provide information on early childhood education and Montessori method:

The first 3 years - http://www.michaelolaf.net/BirthtoThreeDevelopment.html

‍Simple, straightforward advice for parents - http://www.aidtolife.org/

Montessori:
Lots of information on Montessori method - http://www.michaelolaf.net/
‍Montessori info from American Montessori society - http://www.amshq.org/
‍Additional info from Canadian council of Montessori administrators - http://www.ccma.ca/
‍Introduction to Montessori education from Montessori foundation