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/
