The Differential and Integral Calculus (Classic Reprint), Augustus de Morgan

Integral Calculus for Beginners (Classic Reprint)

Principles of the Differential and Integral Calculus (Classic Reprint)

Differential Calculus for Beginners (Classic Reprint)

Fundamentals of trigonometry by Earl William Swokowski

Elements of the Integral Calculus (Classic Reprint)

A Treatise on the Integral Calculus (Classic Reprint) By Nevinso