Elementary theory of equations

First course in the theory of equations

History of the theory of numbers

Linear algebras

Plane trigonometry

Linear groups, with an exposition of the Galois field theory

History of the Theory of Numbers; Volume 1

History of the Theory of Numbers (AMS Chelsea Publishing)

Plane Trigonometry with Practical Applications

Introduction to the Theory of Algebraic Equations

History of the Theory of Numbers, Volume I

History of the Theory of Numbers, Volume II