A Course of Pure Mathematics (1921)
G H Hardy
Wittgenstein's Lectures, Cambridge, 1932-1935: From the Notes ...
Ludwig Wittgenstein & Alice Ambrose & Margaret MacDonald
Objectivism: The Philosophy of Ayn Rand
Leonard Peikoff
The Road to Serfdom: Text and Documents, The Definitive Edition
Friedrich August Hayek & Bruce Caldwell
Mathematics for Computer Science
Eric Lehman & F. Thomson Leighton & Albert R. Meyer
Natural Elites, Intellectuals, and the State (Turkish)
Hans-Hermann Hoppe