Bertrand Russell and Alfred North Whitehead
Principia Mathematica, 3 Volume Set
Bertrand Russell and Alfred North Whitehead
Principia Mathematica to *56
(Cambridge Mathematical Library)
Kurt Godel
On Formally Undecidable Propositions of Principia Mathematica and Related System
Published by Dover
Bertrand Arthur Russell
The Principles of Mathematics
Bertrand Russell
Introduction to Mathematical Philosophy
Bertrand Russell
A History of Western Philosophy
Bertrand Russell Why I Am Not a Christian, and Other Essays on Religion and Related Subjects
Bertrand Russell Religion and Science
Ludwig Wittgenstein
Tractatus Logico-Philosophicus
(Introduction by Bertrand Russell)
Dover Books
Princeton Science Library
Martin Gardner Books
Richard P. Feynman Books
George Gamow Books
Stephen Hawking Books
Roger Penrose Books
H. S. M. Coxeter Books
Lewis Carroll Books
Kolmogorov Books
Kolmogorov Library Project
http://kolmogorov.com/