This set features: "Foundations of Differential Geometry, Volume 1" by Shoshichi Kobayashi and Katsumi Nomizu (978-0-471-15733-5) "Foundations of Differential Geometry, Volume 2" by Shoshichi Kobayashi and Katsumi Nomizu (978-0-471-15732-8) "Differential and Integral" "Calculus, Volume 1" by Richard Courant (978-0-471-60842-4) "Differential and Integral Calculus, Volume 2" by Richard Courant (978-0-471-60840-0) "Linear Operators, Part 1: General Theory" by Neilson Dunford and Jacob T. Schwartz (978-0-471-60848-6) "Linear Operators, Part 2: Spectral Theory, Self Adjoint Operators in Hilbert Space Theory" by Neilson Dunford and Jacob T. Schwartz (978-0-471-60847-9) "Linear Operators, Part 3: Spectral Operators" by Neilson Dunford and Jacob T. Schwartz (978-0-471-60846-2) "Applied and Computational Complex Analysis, Volume 1, Power Series Integration Conformal Mapping Location of Zero" by Peter Henrici (978-0-471-60841-7) "Applied and Computational Complex Analysis, Volume 2, Special Functions-Integral Transforms- Asymptotics-Continued Fractions" by Peter Henrici (978-0-471-54289-6) "Applied and Computational Complex Analysis, Volume 3, Discrete Fourier Analysis, Cauchy Integrals, Construction of Conformal Maps, Univalent Functions" by Peter Henrici (978-0-471-58986-0)