Mathematics
Philosophy and Fun of AlgebraMary Everest Boole
First Fifty Digits of PiScott Hemphill
Fourth Dimension Simply ExplainedHenry Parker Manning
Fourth DimensionCharles Howard Hinton
Tangled TaleLewis Carroll
Short Account of the History of MathematicsW. W. Rouse Ball
Prime NumbersUnknown
Einstein Theory of RelativityHendrik A. Lorentz
Science - History of the Universe Vol. 8: MathematicsFrancis Rolt-Wheeler
Calculus Made EasySilvanus P. Thompson
Mathematical ProblemsDavid Hilbert
Miscellanea Curiosa, Vol 1Edmond Halley
Passages from the Life of a PhilosopherCharles Babbage
Letters on Different Subjects in Natural Philosophy, Volume 1 (Letters to a German Princess)Leonhard Euler
Use of Knowledge in SocietyFriedrich Hayek
Foundations of GeometryDavid Hilbert
Introduction to the History of ScienceWalter Libby
Ultimate Foundation of Economic ScienceLudwig von Mises