Underwood Dudley

• Elementary number theory
• Numerology, or, What Pythagoras wrought
• A Budget of Trisections
• Mathematical cranks
• A budget of trisections
• A Guide to Elementary Number Theory Dolciani Mathematical Expositions
• Die Macht der Zahl
• Is mathematics inevitable?
• Mathematik zwischen Wahn und Witz
• Readings for calculus
• The Magic Numbers of the Professor (Spectrum)
• The trisectors