Don't forget Just Add Light and Stir (or if you've never heard ot it, there y'go).
I've added the report below to my page with links to interviews:
Unschooling; How Learning through Living Leads to Happiness by Sarah Turner, for Principles of Cultural Anthropology (330) at the University of New Mexico in 2012. (Rose Sorooshian was also an informant. She's not named, but those familiar with her will recognize the parts that are about her.)
The direct URL to the anthropology paper is:
(Only read this if you like academic reports. :-)