http://www.newpaltzx.com/2014/06/22/the-ridge-preschool-and-learning-center-opens-in-gardiner/
http://bankstreet.edu/school-children/admissions/progressive-education/volume-i/progressive-education-why-its-hard-to-beat-but-also-hard-to-find/
Introduction to the Fundamental Values of the Education of Young Children in Reggio Emilia
