Robert H. Sorgenfrey

1915

• Algebra
• Mathematics : structure and method, course 1
• Introductory analysis
• Algebra
• Algebra
• Algebra and Trigonometry Structure and Method, Book 2, Teacher's Edition
• Algebra
• Algebra Structure And Method Book 1
• Algebra Structure and Method Book 1 Teacher's Edition
• Trigonometry, with applications
• Algebra and Trigonometry
• Introductory Analysis