The General Theory of Employment, Interest and Money
Keynes, John Maynard
Big Debt Crises
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Anti-Tech Revolution: Why and How
Theodore John Kaczynski
Only the paranoid survive: how to exploit the crisis points ...
Andrew S. Grove
Linear Algebra Done Right
Sheldon Axler
Hypercomplex Numbers: An Elementary Introduction to Algebras
I. L. Kantor & A. S. Solodovnikov