John Taylor Gatto (2000-2003) The Underground History of American Education - A Schoolteacher's Intimate Investigation Into The Problem Of Modern Schooling, Chapter Three - Eyeless In Gaza, The Sudbury Valley School互联网档案馆的存檔,存档日期2010-01-02.. Retrieved, December 27, 2009.
John Taylor Gatto (2000-2003) The Underground History of American Education - A Schoolteacher's Intimate Investigation Into The Problem Of Modern Schooling, Chapter Three - Eyeless In Gaza, The Sudbury Valley School互联网档案馆的存檔,存档日期2010-01-02.. Retrieved, December 27, 2009.