Introduction to Mathematical Thinking

Friedrich Waismann

The Theory of Groups

Hans J. Zassenhaus

Elements of Partial Differential Equations

Ian N. Sneddon

Diophantine Approximations

Ivan Niven

Variational Methods for Eigenvalue Problems

S. H. Gould

A Philosophical Essay on Probabilities

Pierre-Simon Laplace

Statistical Method from the Viewpoint of Quality C...

Walter A. Shewhart

Introduction to Formal Languages

György E. Révész

A Course on Group Theory

John S. Rose

Mathematics for Everyman

Egmont Colerus

Advanced Calculus

H.K Nickerson

Numbers

Graham Flegg

Integral, Measure and Derivative

G. E. Shilov

Advanced Calculus of Several Variables

C. H. Edwards

Concepts of Probability Theory

Paul E. Pfeiffer

Fundamentals of Scientific Mathematics

George E. Owen

The History of the Calculus and Its Conceptual Dev...

Carl B. Boyer

A Philosophical Essay on Probabilities

Pierre-Simon Laplace