[de] [Gutenberg 20313] • Ueber Riemann's Theorie der Algebraischen Functionen Wentworth Press

[en] Calculus Fundamentals Explained Samuel Horelick

[en] Feynman Lectures Simplified 4A · Math for Physicists Real Science Publishing

[en] Head First Algebra O'Reilly Media, Inc.

[en] The Golden Ratio and Fibonacci Numbers World Scientific Publishing Company