William L. Schaaf

• A bibliography of recreational mathematics
• A Bibliography of Recreational Mathematics, Volume 3
• Álgebra y Trigonometría
• Álgebra y Trigonometría
• Mathematics for everyday use
• Basic concepts of elementary mathematics
• Calculus Primer
• Carl Friedrich Gauss
• Course for Teachers of Junior High School Mathematics (Columbia Univ Teachers College Contributions to Education : No 313)
• Mathematics - for Home and Business
• Our mathematical heritage
• The high school mathematics library