1David Tall.Building Theories: The Three Worlds of Mathematics. For the Learning ofMathematics . 2004
2David Tall.Differing Modes of Proof and Belief in Mathematics. International Conference on Mathematics:Understanding Proving to Understand . 2002
3David Tall.Encouraging Mathematical Thinking That both Power and Simplicity. APEC-Tsukuba InternationalConference . 2006
4David Tall.Teachers as Mentors to encourage both Power and simplicity in active mathematical learning. The Third Annual Conference for Middle East Teachers of Sci-ence,Mathematics and Computing . 2007
5Tall D.The Transition to Formal Thinking in Mathematics. Mathematics Education Research Journal . 2008