- The Joy of Pi by David Blatner, 1997-12-01
- Pi: A Source Book
- Why is pi?: A short treatise on proportionate geometry by Thomas F Black, 1974
- Program guide and workbook to accompany the videotape on the story of PI by Tom M Apostol, 1989
- The Wallis approximation of [pi] (UMAP module) by Brindell Horelick, 1979
- The Wallis approximation of [pi]: Applications of calculus to other mathematics (UMAP modules in undergraduate mathematics and its applications) by Brindell Horelick, 1989
- Pi, the reciprocal of seven and trigono/metrix (Essays from Earth/matriX : science in ancient artwork) by Charles William Johnson, 1999
- Sir Cumference and the Dragon of Pi by Cindy Neuschwander, 2004-02
- Pi - Unleashed by Jörg Arndt, Christoph Haenel, 2001-01-25
- The Number Pi by Pierre Eymard, Jean-Pierre Lafon, 2004-02
- Pi: A Biography of the World's Most Mysterious Number by Alfred S. Posamentier, Ingmar Lehmann, 2004-08-31
- James Otto and the Pi Man: A Constructivist Tale.: An article from: Phi Delta Kappan by Carole Funk, 2003-11-01
- Leonardo's Dessert, No Pi by Herbert Wills, 1985-03
- Constant processes by T. S Davis, 1978
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