http://www2.ed.gov/policy/elsec/leg/esea02/107-110.pdf
http://www.coreknowledge.org/about-the-curriculum
http://www.maydaygroup.org/colloquium/philosophical-issues-in-music-education
http://www.maydaygroup.org/2003/04/
http://www.teachingcontentisteachingreading.org/mimik/mimik_uploads/documents/37/JH