A helpful concise overview of Charlotte Mason and her educational philosophy: http://en.wikipedia.org/wiki/Charlotte_Mason
Ambleside Online gives further information on the Charlotte Mason method of education, and provides many resources, including freely accessible online versions of Charlotte Mason's original six-volume book series entitled, "Towards a Philosophy of Education."
Susan Schaeffer Macaulay, "For the Children's Sake: Foundations of Education for Home and School",
Crossway books, 1984, ISBN-10: 1433506955
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