Thinking
Edward de Bono interview
Six Thinking Hats
Edward de Bono website, a critical view
Edward de Bono at wikipedia, obit
Daniel Dennett's 7 tools for thinking
Metacognition, Understanding
Foundation for Critical Thinking
Clear Thinking - RW Jepson
Why smart people aren't always rational
Critical thinking at wikipedia
Critical thinking resources, Recursive thinking
Teaching thinking, Outline of thought