Cryptanalysis
Dover Publications
1989, English | 
Codes, Ciphers and Secret Writing (Test Your Code Breaking Skills)
Dover Publications
1984, English | 
Advanced Number Theory
Dover Publications
1980, English | 
A Combinatorial Introduction to Topology
Dover Publications
1994, English |
The Origins of Cauchy's Rigorous Calculus (Dover Books on Mathematics)
Dover Publications
2005, English | 
The Analytic Art (Dover Books on Mathematics)
Dover Publications
2006, English | 
The Early Mathematical Manuscripts of Leibniz (Dover Books on Mathematics)
Dover Publications
2005, English | 
Challenging Problems in Geometry
Dover Publications
1996, English |
Mathematical Fallacies and Paradoxes
Dover Publications
1997, English | 
A History of Mathematical Notations
Dover Publications
1993, English | 
Ars Magna or the Rules of Algebra
Dover Publications
1993, English | 
The Conceptual Foundations of the Statistical Approach in Mechanics (Dover Books on Physics and Chemistry)
Dover Publications
1990, English |