- E-bookSymmetryHermann Weyl
- E-bookThe Principle of RelativityAlbert Einstein
- E-bookAlgebraic Theory of Numbers. (AM-1), Volume 1Hermann Weyl
- E-bookPhilosophy of Mathematics and Natural ScienceHermann Weyl
- E-bookThe Classical GroupsHermann Weyl
- E-bookLevels of InfinityHermann Weyl
- E-bookThe Concept of a Riemann SurfaceHermann Weyl
- E-bookMeromorphic Functions and Analytic Curves. (AM-12)Hermann Weyl
- E-bookSpace, Time, MatterHermann Weyl
- E-bookMind and NatureHermann Weyl
- E-bookSerie: Princeton Mathematical SeriesFrançois Treves
- E-bookSerie: Dover Books on MathematicsRobert Gilmore
- E-bookSerie: Princeton Science LibraryPatrick E. McGovern
- E-bookSerie: Princeton Landmarks in Mathematics and PhysicsNorman Steenrod
- E-bookSerie: Annals of Mathematics StudiesRichard Taylor
- E-bookSerie: Princeton Mathematical SeriesFrançois Treves
- E-bookSerie: Dover Books on PhysicsIlya Prigogine
- E-bookSerie: Princeton Landmarks in Mathematics and PhysicsBrian R. Judd