Reading

Leonhard Euler (1770) Elements of Algebra
Carl Friedrich Gauss (1799) fundamental theorem of algebra
Joseph Louis Lagrange (1770) "Reflections on the algebraic solutions of equations"
Theorie der Abelschen Functionen -- Bernhard Riemann (1857)
Disquisitiones Arithmeticae Carl Friedrich Gauss (1801)
Peter Gustav Lejeune Dirichlet (1837)
"Über die Anzahl der Primzahlen unter einer gegebenen Grösse" Bernhard Riemann (1859)
"Über die Anzahl der Primzahlen unter einer gegebenen Grösse" Peter Gustav Lejeune Dirichlet and Richard Dedekind
Zahlbericht David Hilbert (1897)
Fourier Analysis in Number Fields and Hecke's Zeta-Functions John Tate (1950)
Introductio in analysin infinitorum -- Leonhard Euler (1748)
Nova methodus pro maximis et minimis, itemque tangentibus, quae nec fractas nec irrationales quantitates moratur, et singulare pro illi calculi genus Gottfried Leibniz (1684)
Philosophiae Naturalis Principia Mathematica Isaac Newton (1687)
Institutiones calculi differentialis Leonhard Euler (1755)
Über die Darstellbarkeit einer Function durch eine trigonometrische Reihe Bernhard Riemann (1867)
Mémoire sur la propagation de la chaleur dans les corps solides Joseph Fourier (1807)[46]
Euclid's Elements Euclid
The Nine Chapters on the Mathematical Art
The Conics -  Apollonius of Perga
La Géométrie René Descartes
Differential geometry Leonhard Euler (1760)
Disquisitiones generales circa superficies curvas Carl Friedrich Gauss (1827)
Über die Hypothesen, welche der Geometrie zu Grunde Liegen Bernhard Riemann (1854)
"Über eine Eigenschaft des Inbegriffes aller reellen algebraischen Zahlen" Georg Cantor (1874)
The Laws of Thought George Boole (1854)
Principia Mathematica Bertrand Russell and Alfred North Whitehead (1910–1913)
(On Formally Undecidable Propositions of Principia Mathematica and Related Systems) Kurt Gödel (1931)
Solutio problematis ad geometriam situs pertinentis Leonhard Euler (1741)
"Zur Theorie der Gesellschaftsspiele" John von Neumann (1928)
Theory of Games and Economic Behavior Oskar Morgenstern, John von Neumann (1944)
"Equilibrium Points in N-person Games" Nash, John F
On Numbers and Games John Horton Conway
Winning Ways for your Mathematical Plays Elwyn Berlekamp, John Conway and Richard K. Guy
Method of Fluxions Isaac Newton
Essai d'une nouvelle méthode pour déterminer les maxima et les minima des formules intégrales indéfinies Joseph Louis Lagrange (1761)
"Математические методы организации и планирования производства" Leonid Kantorovich (1939) "[The Mathematical Method of Production Planning and Organization]" (in Russian).
"Decomposition Principle for Linear Programs" George Dantzig and P. Wolfe
Abstract Algebra David Dummit and Richard Foote
Synopsis of Pure Mathematics G. S. Carr
Éléments de mathématique Nicolas Bourbaki
Geometry Andrei Kiselyov
A Course of Pure Mathematics G. H. Hardy
Moderne Algebra B. L. van der Waerden
Algebra Saunders Mac Lane and Garrett Birkhoff
Calculus, Vol. 1 Tom M. Apostol
Algebraic Geometry Robin Hartshorne
Naive Set Theory Paul Halmos
Cardinal and Ordinal Numbers Wacław Sierpiński
Set Theory: An Introduction to Independence Proofs Kenneth Kunen
Topologie Pavel Sergeevich Alexandrov Heinz Hopf
General Topology John L.
Topologie Pavel Sergeevich Alexandrov Heinz Hopf
Topology from the Differentiable Viewpoint John Milnor
Number Theory, An approach through history from Hammurapi to Legendre André Weil
An Introduction to the Theory of Numbers G. H. Hardy and E. M. Wright
Foundations of Differential Geometry Shoshichi Kobayashi and Katsumi Nomizu
Hodge Theory and Complex Algebraic Geometry I
Hodge Theory and Complex Algebraic Geometry II Claire Voisin
Gödel, Escher, Bach Douglas Hofstadter
The World of Mathematics James R. Newman
The Colossal Book of Mathematics by Martin Gardner
Proofs from the Book, 3e by Martin Aigner
Geometry and the Imagination by David Hilbert
Asimov on Numbers by Isaac Asimov
The Principles of Mathematics by Bertrand Russell
Journey through Genius: The Great Theorems of Mathematics by William Dunham
The Feynman Lectures on Physics