The Great Illusion
Norman Angell
The End of Absence
Michael Harris
Principia Mathematica Vol 2
Alfred North Whitehead & Bertrand Russel
The General Theory of Employment, Interest and Money
Keynes, John Maynard
Projective Geometric Algebra
Eric Lengyel
Divine Proportions: Rational Trigonometry to Universal Geometry
Norman John Wildberger
How to Solve It: A New Aspect of Mathematical Method
George Polya
Einstein Manifolds
Arthur L. Besse
Homotopy Type Theory: Univalent Foundations of Mathematics
Univalent Foundations Program