^{(graph above: absolute value of the gamma function in the complex plane, source: Wikimedia Commons)}
Here is an unordered list of online mathematics books, textbooks, monographs, lecture notes, and other mathematics related documents freely available on the web.
I tried to select only the works in book formats, "real" books that are mainly in PDF format, so many wellknown htmlbased mathematics web pages and online tutorials are left out.
Click here if you prefer a categorized directory of mathematics books. The list is updated almost on a daily basis, so, if you want to bookmark this page, use the button "Share" in the menu above.

Mixed Motives
Marc Levine  American Mathematical Society, Published in 1998, 523 pages

Introduction to Statistical Thought
Michael Lavine  , Published in 2008, 434 pages

Manifolds of Differentiable Mappings
Peter W. Michor  Birkhauser, Published in 1980, 165 pages

Practical Foundations of Mathematics
Paul Taylor  Cambridge University Press, Published in 1999, 588 pages

Set Theory and Topology: An Introduction to the Foundations of Analysis
Felix Nagel  arXiv, Published in 2013, 160 pages

Computable Integrability
Alexey Shabat, Elena Kartashova  arXiv, Published in 2011, 174 pages

Natural Product Xn on matrices
W. B. Vasantha Kandasamy, Florentin Smarandache  arXiv, Published in 2012, 342 pages

Algorithmic Number Theory
J.P. Buhler, P. Stevenhagen  Cambridge University Press, Published in 2008, 662 pages

Applied Mathematical Programming Using Algebraic Systems
Bruce A. McCarl, Thomas H. Spreen  Texas A&M University, Published in 2011, 567 pages

Introduction to Methods of Applied Mathematics
Sean Mauch  Caltech, Published in 2004, 2321 pages

Basic Real Analysis
Anthony W. Knapp  Birkhäuser, Published in 2016, 840 pages

Axiom: The Scientific Computation System
Richard D. Jenks, Robert S. Sutor  axiomdeveloper.org, Published in 2003, 1200 pages

Iterative Methods for Sparse Linear Systems
Yousef Saad  PWS, Published in 1996

Advanced Algebra
Arthur Schultze  The Macmillan Company, Published in 1906, 588 pages

Geometry for Elementary School
 Wikibooks, Published in 2007, 72 pages

Introduction to Vectors and Tensors Volume 2: Vector and Tensor Analysis
Ray M. Bowen, C.C. Wang  , Published in 2008, 246 pages

Pictures of Julia and Mandelbrot Sets
 Wikibooks, Published in 2010

Statistics for Business and Economics
Marcelo Fernandes  BookBoon, Published in 2009, 150 pages

Holonomy Groups in Riemannian Geometry
Andrew Clarke, Bianca Santoro  arXiv, Published in 2012, 124 pages

Banach Modules and Functors on Categories of Banach Spaces
J. Cigler, V. Losert, P.W. Michor  Marcel Dekker Inc, Published in 1979, 297 pages

Comments and topics on Smarandache notions and problems
Kenichiro Kashihara  Erhus University Press, Published in 1996, 50 pages

Synthetic Geometry of Manifolds
Anders Kock  University of Aarhus, Published in 2009, 314 pages

Groupoids and Smarandache Groupoids
W. B. Vasantha Kandasamy  American Research Press, Published in 2002, 115 pages

An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics
William Elwood Byerly  Ginn and company, Published in 1893, 309 pages

Calculus Volume 3
 OpenStax, Published in 2016, 1032 pages

Notes on Noncommutative Geometry
Igor Nikolaev  arXiv, Published in 2015, 309 pages

Lectures On Unique Factorization Domains
P. Samuel  Tata Institute Of Fundamental Research, Published in 1964, 68 pages

Logic For Everyone
Robert A. Herrmann  , Published in 2006, 124 pages

Design, Evaluation and Analysis of Combinatorial Optimization Heuristic Algorithms
Daniel Karapetyan  arXiv, Published in 2012, 202 pages

Philosophy and Fun of Algebra
Mary Everest Boole  C. W. Daniel, Published in 1891, 56 pages

Elementary Number Theory
W W L Chen  Macquarie University, Published in 2003, 98 pages

The Geometry of Vector Calculus
Tevian Dray, Corinne A. Manogue  Oregon State University, Published in 2012, 325 pages

An Introduction to High Dimensional Knots
Eiji Ogasa  arXiv, Published in 2013, 92 pages

Topics in Differential Geometry
Peter W. Michor  American Mathematical Society, Published in 2008, 429 pages

Notes on the Science of Logic
Nuel Belnap  University of Pittsburgh, Published in 2009, 227 pages

Complex Analysis on Riemann Surfaces
Curtis McMullen  Harvard University, Published in 2005, 89 pages

Magic Squares and Cubes
W. S. Andrews  Open Court Publishing Company, Published in 1917, 428 pages

Robust Geometric Computation
Kurt Mehlhorn, Chee Yap  New York University, Published in 2004

Pseudodifferential Operators and Nonlinear PDE
Michael E. Taylor  Birkhäuser Boston, Published in 1991, 202 pages

Introduction to Proof Theory
Gilles Dowek  ESSLLI, Published in 2001, 82 pages

Computing of the Complex Variable Functions
Solomon I. Khmelnik, Inna S. Doubson  MiC, Published in 2011, 46 pages

Hyperbolic Functions
James McMahon  John Wiley & Sons, Published in 1906, 106 pages

Orbital Integrals on Reductive Lie Groups and Their Algebras
Francisco Bulnes  InTech, Published in 2013, 181 pages

A Introduction to Proofs and the Mathematical Vernacular
Martin Day  , Published in 2009, 123 pages

High School Algebra
J.T. Crawford  The Macmillan Company, Published in 1916, 428 pages

The Life of Pi: From Archimedes to Eniac and Beyond
Jonathan M. Borwein  DocServer, Published in 2010, 29 pages

Interacting Particle Systems
Stefan Grosskinsky  University of Warwick, Published in 2009, 56 pages

Lectures on Cyclic Homology
D. Husemoller  Tata Institute of Fundamental Research, Published in 1991, 114 pages

Highdimensional Knot Theory
Andrew Ranicki  Springer, Published in 1998, 693 pages

Riemannian Geometry
Richard L. Bishop  arXiv, Published in 2013, 67 pages

Lectures on Shimura Varieties
A. Genestier, B.C. Ngo  , Published in 2006, 50 pages

Surreal Numbers: An Introduction
Claus Tondering  , Published in 2013, 50 pages

Unsolved Problems in Virtual Knot Theory and Combinatorial Knot Theory
R. Fenn, D.P. Ilyutko, L.H. Kauffman, V.O. Manturov  arXiv, Published in 2014, 66 pages

Mathematical Recreations and Essays
W. W. Rouse Ball  Macmillan, Published in 1914, 506 pages

Origami and Geometric Constructions
Robert J. Lang  , Published in 2003, 55 pages

A Primer on Mapping Class Groups
Benson Farb, Dan Margalit  Princeton University Press, Published in 2011, 509 pages

Lectures on Discrete Subgroups of Lie Groups
G.D. Mostow  Tata Institute of Fundamental Research, Published in 1969, 86 pages

NonEuclidean Geometry
Henry Manning  Ginn and Company, Published in 1901, 93 pages

Essential Mathematics
Franco Vivaldi  , Published in 2006, 74 pages

Proofs and Concepts: the fundamentals of abstract mathematics
Dave Witte Morris, Joy Morris  University of Lethbridge, Published in 2009, 220 pages

The Elements of Solid Geometry
William C. Bartol  Leach, Shewell & Sanborn, Published in 1893, 112 pages

Extremes and Recurrence in Dynamical Systems
Valerio Lucarini, et al.  arXiv, Published in 2016, 305 pages

Strange Attractors: Creating Patterns in Chaos
Julien C. Sprott  M & T Books, Published in 2000, 591 pages

Essentials of Trigonometry with Applications
D.R. Curtiss, E.J. Moulton  D. C. Heath And Company, Published in 1942, 190 pages

Contact Geometry
Hansjoerg Geiges  arXiv, Published in 2004, 86 pages

Elliptic Functions and Elliptic Curves
Jan Nekovar  Institut de Mathematiques de Jussieu, Published in 2004, 175 pages

Mathematical Formula Handbook
Wuting Tsai  National Taiwan University, Published in 2012, 28 pages

Modal Logic of Strict Necessity and Possibility
Evgeni Latinov  OTexts, Published in 2014, 264 pages

Commutator Theory for Congruence Modular Varieties
Ralph Freese, Ralph McKenzie  Cambridge University Press, Published in 1987, 174 pages

Inside Out: Inverse Problems and Applications
Gunther Uhlmann  Cambridge University Press, Published in 2003, 400 pages

Group Characters, Symmetric Functions, and the Hecke Algebra
David M. Goldschmidt  American Mathematical Society, Published in 1993, 73 pages

Applied Combinatorics
S. E. Payne  University of Colorado, Published in 2003, 216 pages

Category Theory
 Wikibooks, Published in 2010

Statistics
 Wikibooks, Published in 2013, 236 pages

Calculus and Linear Algebra. Vol. 2
Wilfred Kaplan, Donald J. Lewis  University of Michigan Library, Published in 2007, 606 pages

Primary Mathematics
 Wikibooks, Published in 2012

Set Linear Algebra and Set Fuzzy Linear Algebra
W. B. V. Kandasamy, F. Smarandache, K. Ilanthenral  InfoLearnQuest, Published in 2008, 345 pages

Elliptic Functions
Arthur Latham Baker  John Wiley & Sons, Published in 1890, 147 pages

Differential and Integral Calculus
C. E. Love, E. D. Rainville  The MacMillan Company, Published in 1916, 369 pages

Music: A Mathematical Offering
Dave Benson  Cambridge University Press, Published in 2006, 530 pages

Valuations and Hyperbolicity in Dynamics
Thomas Ward  University of East Anglia, Published in 2001, 58 pages

Lectures on Etale Cohomology
J. S. Milne  , Published in 2008, 196 pages

Topology and Physics: A Historical Essay
C. Nash  arXiv, Published in 1997, 60 pages

Categorical Geometry
Zhaohua Luo  , Published in 1998

Elementary Abstract Algebra: Examples and Applications
Justin Hill, Chris Thron  Texas A&M University, Published in 2017, 785 pages

Complex Analysis
C. McMullen  Harvard University, Published in 2010, 106 pages

Lectures on Deformations of Singularities
Michael Artin  Tata Institute of Fundamental Research, Published in 1976, 110 pages

Lectures on Linear Logic
A. S. Troelstra  CSLI, Published in 1992, 215 pages

Analysis of Puzzles
Umesh Nair  , Published in 2006, 88 pages

Theory of the Integral
Brian S. Thomson  ClassicalRealAnalysis.info, Published in 2012, 407 pages

An Introduction to Quantum Chaos
Mason A. Porter  arXiv, Published in 2001, 57 pages

The Hopf Bifurcation and Its Applications
J. E. Marsden, M. McCracken  Springer, Published in 1976, 424 pages

Numerical Analysis for Engineering
Douglas W. Harder, Richard Khoury  University of Waterloo, Published in 2010

Lectures on Representation Theory and Invariant Theory
William CrawleyBoevey  University of Leeds, Published in 1990, 77 pages

Statistics
Philip B. Stark  University of California, Berkeley, Published in 2011

Discrete Distributions
Leif Mejlbro  BookBoon, Published in 2009, 72 pages

A Topology Primer
Klaus Wirthmüller  Technische Universität Kaiserslautern, Published in 2002, 197 pages

Matrices
Shmuel Friedland  University of Illinois at Chicago, Published in 2010, 437 pages

Current Topics in Complex Algebraic Geometry
Herbert Clemens, János Kollár  Cambridge University Press, Published in 1996, 172 pages

An Introduction to Hilbert Module Approach to Multivariable Operator Theory
Jaydeb Sarkar  arXiv, Published in 2013, 52 pages

Encyclopedia of Dynamical Systems
D. Anosov, at al.  Scholarpedia, Published in 2009

An Introduction to Stochastic PDEs
Martin Hairer  arXiv, Published in 2009, 78 pages

Curves and Surfaces in Geometric Modeling: Theory and Algorithms
Jean Gallier  Morgan Kaufmann, Published in 1999, 502 pages

Algorithmic Graph Theory
David Joyner, Minh Van Nguyen, Nathann Cohen  Google Code, Published in 2010, 105 pages

Algebraic Methods
F. Oggier  Nanyang Technological University, Published in 2010, 129 pages

An Introduction to the Lie Theory of OneParameter Groups
Abraham Cohen  D.C. Heath & co, Published in 1911, 276 pages

Algebra for Beginners
James Loudon  Copp, Clark & Co, Published in 1876, 172 pages

Essentials of Statistics: Exercises
David Brink  BookBoon, Published in 2008, 58 pages

Abel's Theorem and the Allied Theory
H.F. Baker  Cambridge University Press, Published in 1897, 712 pages

Comparison Geometry
Karsten Grove, Peter Petersen  Cambridge University Press, Published in 1997, 262 pages

The Eightfold Way: The Beauty of Klein's Quartic Curve
Silvio Levy  Cambridge University Press, Published in 1999, 331 pages

Algebraic Equations
George Ballard Mathews  Cambridge University Press, Published in 1907, 88 pages

The Calculus of Functions of Several Variables
Dan Sloughter  Furman University, Published in 2001, 260 pages

Lectures on Exterior Differential Systems
M. Kuranishi  Tata Institute of Fundamental Research, Published in 1962, 117 pages

Differential Calculus
Shanti Narayan  S. Chand And Company, Published in 1962, 429 pages

Linearization via the Lie Derivative
Carmen Chicone, Richard Swanson  American Mathematical Society, Published in 2000, 64 pages

Algorithmic Mathematics
Leonard Soicher, Franco Vivaldi  , Published in 2004, 94 pages

Basics of Algebra and Analysis For Computer Science
Jean Gallier  , Published in 2007, 254 pages

Spectral Theory
Leif Mejlbro  BookBoon, Published in 2009, 80 pages

Lectures on Harmonic Analysis
Thomas Wolff  American Mathematical Society, Published in 2003, 85 pages

Calculus
Benjamin Crowell  , Published in 2007, 138 pages

Stochastic Calculus
Alan Bain  , Published in 2008, 99 pages

Metrics on the Phase Space and NonSelfadjoint PseudoDifferential Operators
Nicolas Lerner  Birkhäuser, Published in 2009

nLinear Algebra of Type I and Its Applications
W. B. V. Kandasamy, F. Smarandache  InfoLearnQuest, Published in 2008, 120 pages

Introduction to the Numerical Integration of PDEs
B. Piette  University of Durham, Published in 2004, 89 pages

Languages and Machines
C. D. H. Cooper  Macquarie University, Published in 2008

Mathematical Illustrations: A Manual of Geometry and PostScript
Bill Casselman  Cambridge University Press, Published in 2005, 336 pages

A Course In Algebraic Number Theory
Robert B. Ash  University of Illinois, Published in 2003

Fundamentals of Model Theory
William Weiss, Cherie D'Mello  University of Toronto, Published in 1997, 64 pages

Hyperbolic Manifolds, Discrete Groups and Ergodic Theory
Curtis T. McMullen  Harvard University, Published in 2011, 118 pages

Statistics for the Social and Behavioral Sciences
David A. Kenny  Little, Brown, Published in 1987, 407 pages

Spherical Harmonics in p Dimensions
Christopher Frye, Costas J. Efthimiou  arXiv, Published in 2012, 95 pages

Riemannian Geometry: Definitions, Pictures, and Results
Adam Marsh  arXiv, Published in 2014, 69 pages

A Practical Guide to Robust Optimization
Bram L. Gorissen, Ihsan Yanıkoğlu, Dick den Hertog  arXiv, Published in 2015, 29 pages

Mathematics for Algorithm and Systems Analysis
Edward A. Bender, S. Gill Williamson  Dover Publications, Published in 2005, 256 pages

An Introduction to Ktheory and Cyclic Cohomology
Jacek Brodzki  arXiv, Published in 1996, 115 pages

Elementary Number Theory
William Edwin Clark  University of South Florida, Published in 2002, 129 pages

A Philosophical Essay on Probabilities
Pierre Simon Laplace  Chapman & Hall, Published in 1902, 234 pages

Calculus of Residua: Complex Functions Theory a2
Leif Mejlbro  BookBoon, Published in 2010, 140 pages

Principles of Data Analysis
Cappella Archive  Prasenjit Saha, Published in 2003, 113 pages

Galois Theory
Christopher Cooper  Macquarie University, Published in 2009, 86 pages

The General Theory of Dirichlet's Series
G.H. Hardy, Marcel Riesz  Cambridge University Press, Published in 1915, 95 pages

Projective Differential Geometry Old and New
V. Ovsienko, S. Tabachnikov  Cambridge University Press, Published in 2004, 281 pages

Basic Concepts of Mathematics
Elias Zakon  The Trillia Group, Published in 2007, 208 pages

Lectures on Minimal Surface Theory
Brian White  arXiv, Published in 2013, 46 pages

Manifolds and Differential Forms
Reyer Sjamaar  Cornell University, Published in 2006, 153 pages

Mathematics for Computer Science
Eric Lehman, F Thomson Leighton, Albert R Meyer  MIT, Published in 2010, 557 pages

Quick Notes  Statistics
Walter Antoniotti  21st Century Learning Products, Published in 2001, 271 pages

Algebraic KTheory
Hyman Bass  W. A. Benjamin, Published in 1968, 793 pages

Algebraic Tools for Modal Logic
Mai Gehrke, Yde Venema  ESSLLI, Published in 2001, 109 pages

Introduction to Functional Analysis
Vladimir V. Kisil  University of Leeds, Published in 2010, 111 pages

Semiclassical analysis
Victor Guillemin, Shlomo Sternberg  Harvard University, Published in 2012, 488 pages

Numerical Recipes in Fortran 90
William H. Press, at al.  Cambridge University Press, Published in 1996, 500 pages

Probability Course
GianCarlo Rota  David Ellerman, Published in 1998, 544 pages

Noncompact Harmonic Manifolds
Gerhard Knieper, Norbert Peyerimhoff  arXiv, Published in 2013, 84 pages

Topics in the Theory of Quadratic Residues
Steve Wright  arXiv, Published in 2014, 160 pages

Arithmetic Duality Theorems
J.S. Milne  BookSurge Publishing, Published in 2006, 347 pages

Elementary Geometry: Practical and Theoretical
C. Godfrey, A. W. Siddons  Cambridge University Press, Published in 1919, 438 pages

Lectures on Partial Differential Equations
G.B. Folland  Tata Institute of Fundamental Research, Published in 1983, 145 pages

Elementary Theory of Numbers
Waclaw Sierpinski  ICM, Published in 1964, 516 pages

Lie Groups, Physics, and Geometry
Robert Gilmore  Drexel University, Published in 2007, 222 pages

Categories and Modules
Takahiro Kato  viXra.org, Published in 2015, 323 pages

Matrix Analysis
Steven J Cox  Rice University, Published in 2012, 98 pages

Periodic Solutions for Evolution Equations
Mihai Bostan  American Mathematical Society, Published in 2002, 41 pages

The Axioms Of Descriptive Geometry
Alfred North Whitehead  Cambridge University Press, Published in 1914, 96 pages

Calculus 1: Course
Peter Saveliev  Intelligent Perception, Published in 2010

Notes on the AtiyahSinger Index Theorem
Liviu I. Nicolaescu  University of Notre Dame, Published in 2005, 135 pages

Geometry: From Ancient to Modern
Wong Yan Loi  National University of Singapore, Published in 1999, 52 pages

Mirror Symmetry
Cumrun Vafa, Eric Zaslow  American Mathematical Society, Published in 2003, 950 pages

A Computational Introduction to Number Theory and Algebra
Victor Shoup  Cambridge University Press, Published in 2005, 534 pages

Exterior Differential Systems and EulerLagrange Partial Differential Equations
R. Bryant, P. Griffiths, D. Grossman  University Of Chicago Press, Published in 2008, 219 pages

Mathematical Methods of Engineering Analysis
Erhan Cinlar, Robert J. Vanderbei  , Published in 2000, 119 pages

Multivariable Calculus: Applications and Theory
Kenneth Kuttler  Brigham Young University, Published in 2011, 466 pages

Lectures on Quadratic Forms
C.L. Siegel  Tata Institute of Fundamental Research, Published in 1957, 170 pages

Numerical Algorithms: Methods for Computer Vision, Machine Learning, and Graphics
Justin Solomon  CRC Press, Published in 2015, 397 pages

Introduction to Abstract Algebra
D. S. Malik, John N. Mordeson, M.K. Sen  Creighton University, Published in 2007, 276 pages

Introduction to Algebraic Topology and Algebraic Geometry
U. Bruzzo  , Published in 2008, 138 pages

Real Analysis
Martin SmithMartinez, et al.  Wikibooks, Published in 2013

A First Course in Linear Algebra
Robert A. Beezer  University of Puget Sound, Published in 2010, 1035 pages

Lectures on Holomorphic Curves in Symplectic and Contact Geometry
Chris Wendl  arXiv, Published in 2010, 153 pages

Discrete Mathematics
 Wikibooks, Published in 2012

Games of No Chance 3
Michael H. Albert, Richard J. Nowakowski  Cambridge University Press, Published in 2009, 586 pages

A Primer on Homotopy Colimits
Daniel Dugger  University of Oregon, Published in 2008, 72 pages

Vedic Mathematics
W. B. Kandasamy, F. Smarandache  Automaton, Published in 2006, 220 pages

Lectures on Topics In OneParameter Bifurcation Problems
P. Rabier  Tata Institute of Fundamental Research, Published in 1985, 238 pages

Analytic Number Theory
Giuseppe Rauti  viXra, Published in 2013, 96 pages

Interactive Real Analysis
Bert G. Wachsmuth  Seton Hall University, Published in 2007

Topics in Geometry
John O'Connor  University of St Andrews, Published in 2003

Ends of Complexes
Bruce Hughes, Andrew Ranicki  Cambridge University Press, Published in 2008, 375 pages

Lectures on Numerical Methods for NonLinear Variational Problems
R. Glowinski  Tata Institute of Fundamental Research, Published in 1980, 265 pages

Lectures on the Geometry of Manifolds
Liviu I. Nicolaescu  World Scientific Publishing Company, Published in 2009, 570 pages

Random Graphs and Complex Networks
Remco van der Hofstad  Eindhoven University of Technology, Published in 2010, 363 pages

New Frontiers in Graph Theory
Yagang Zhang (ed.)  InTech, Published in 2012, 526 pages

CK12 Basic Probability and Statistics: A Short Course
Brenda Meery  CK12.org, Published in 2010, 201 pages

Computer Algebra, Algorithms, Systems and Applications
Richard Liska, at al.  Czech Technical University, Published in 1996

Lectures on Topics In Finite Element Solution of Elliptic Problems
Bertrand Mercier  Tata Institute of Fundamental Research, Published in 1979, 177 pages

Revealing Statistical Principles
J.K. Lindsey  Hodder Education Publishers, Published in 1999, 225 pages

Group Theory
J. S. Milne  , Published in 2009, 127 pages

Intermediate Maths for Chemists
J. E. Parker  Bookboon, Published in 2013, 106 pages

Probability for Finance
Patrick Roger  BookBoon, Published in 2010, 115 pages

Galois Groups and Fundamental Groups
Leila Schneps  Cambridge University Press, Published in 2003, 467 pages

Robust Optimization
A. BenTal, L. El Ghaoui, A. Nemirovski  Princeton University Press, Published in 2009, 564 pages

The Air Force Brain Booster Book
John C. Sparks  Air Force Publication, Published in 2006, 58 pages

Iterative Methods for Linear and Nonlinear Equations
C.T. Kelley  SIAM, Published in 1995, 172 pages

A Short Account of the History of Mathematics
W. W. Rouse Ball  Dover Publications, Published in 1960, 466 pages

Markov Chains and Mixing Times
D. A. Levin, Y. Peres, E. L. Wilmer  American Mathematical Society, Published in 2008, 387 pages

Introduction to the Basics of Heegaard Floer Homology
Bijan Sahamie  arXiv, Published in 2010, 71 pages

Introduction to Lebesgue Integration
W W L Chen  Macquarie University, Published in 1996

Notes on Differential Geometry
Noel J. Hicks  Van Nostrand, Published in 1965, 183 pages

Probability, Geometry and Integrable Systems
Mark Pinsky, Bjorn Birnir  Cambridge University Press, Published in 2007, 428 pages

Analytic Geometry and Calculus
F.S. Woods, F.H. Bailey  Ginn and Company, Published in 1917, 542 pages

Handbook of Engineering Mathematics
Walter E. Wynne, William Spraragen  Van Nostrand, Published in 1916, 246 pages

Differentiable Manifolds
Nigel Hitchin  , Published in 2003

Proof Theory and Philosophy
Greg Restall  consequently.org, Published in 2006, 168 pages

Introduction to Randomness and Statistics
Alexander K. Hartmann  arXiv, Published in 2009, 95 pages

Logic for Computer Scientists
Uli Furbach  Wikibooks, Published in 2010

Predicative Arithmetic
Edward Nelson  Princeton Univ Pr, Published in 1987, 201 pages

Wave Propagation Analysis with Boundary Element Method
Chiara Guardasoni  Ledizioni LediPublishing, Published in 2010, 130 pages

Noncommutative Geometry, Quantum Fields and Motives
Alain Connes, Matilde Marcolli  American Mathematical Society, Published in 2007, 705 pages

Super Linear Algebra
W. B. V. Kandasamy, F. Smarandache  InfoQuest, Published in 2008, 293 pages

An Introductory Course Of Mathematical Analysis
Charles Walmsley  Cambridge University Press, Published in 1920, 268 pages

Analytic Combinatorics
Philippe Flajolet, Robert Sedgewick  Cambridge University Press, Published in 2008, 822 pages

Algebraic and Geometric Surgery
Andrew Ranicki  Oxford University Press, Published in 2002, 380 pages

Lectures on Topics in Algebraic KTheory
Hyman Bass  Tata Institute of Fundamental Research, Published in 1967, 138 pages

Abstract Algebra: Theory and Applications
Thomas Judson  Virginia Commonwealth University Mathematics, Published in 2009, 428 pages

Lectures On The General Theory Of Integral Functions
Georges Valiron  Chelsea Pub. Co., Published in 1949, 234 pages

On Some of Smarandache's Problems
Krassimir Atanassov  Erhus Univ Pr, Published in 1999, 89 pages

Categories, Types, and Structures
Andrea Asperti, Giuseppe Longo  MIT Press, Published in 1991, 300 pages

Fractals
 Wikibooks, Published in 2013

A Second Course in Mathematics Concepts for Elementary Teachers
Marcel B. Finan  Arkansas Tech University, Published in 2006, 468 pages

Introduction to Probability
C. M. Grinstead & J. L. Snell  American Mathematical Society, Published in 1997, 520 pages

Calculus
 Wikibooks, Published in 2011, 456 pages

Nonlinear Parameter Estimation: An Integrated System in Basic
John C. Nash  Marcel Dekker Inc, Published in 1995, 493 pages

Metric and Topological Spaces
T. W. Körner  University of Cambridge, Published in 2014, 109 pages

Advanced Data Analysis from an Elementary Point of View
Cosma Rohilla Shalizi  Cambridge University Press, Published in 2013, 586 pages

C*algebraic Methods in Spectral Theory
Serge Richard  Nagoya University, Published in 2014, 103 pages

Understanding Calculus
Faraz Hussain  , Published in 2008

Multiplication of Vectors and Structure of 3D Euclidean Space
Miroslav Josipovic  viXra, Published in 2016, 70 pages

A Manual of Intensional Logic
Johan van Benthem  CSLI, Published in 1988, 147 pages

Differential Geometry: Lecture Notes
Dmitri Zaitsev  Trinity College Dublin, Published in 2004, 49 pages

Mathematical Essays and Recreations
Hermann Schubert  The Open Court Publishing, Published in 1898, 159 pages

Hilbert Spaces and Operators on Hilbert Spaces
Leif Mejlbro  BookBoon, Published in 2009, 109 pages

Around the Boundary of Complex Dynamics
Roland K. W. Roeder  arXiv, Published in 2015, 56 pages

Lectures on Moduli of Curves
D. Gieseker  Tata Institute of Fundamental Research, Published in 1982, 88 pages

Differential Geometry Of Three Dimensions
C.E. Weatherburn  Cambridge University Press, Published in 1955, 281 pages

Topics in topology: The signature theorem and some of its applications
Liviu I. Nicolaescu  University of Notre Dame, Published in 2008, 159 pages

An Introduction to Category Theory in Four Easy Movements
A. Schalk, H. Simmons  Manchester University, Published in 2005, 197 pages

Symbolic Logic: A Second Course
Gary Hardegree  UMass Amherst, Published in 2003, 246 pages

Homeomorphisms in Analysis
Casper Goffman, at al.  American Mathematical Society, Published in 1997, 216 pages

Sequences and Power Series: Guidelines for Solutions of Problems
Leif Mejlbro  BookBoon, Published in 2007, 104 pages

Fundamentals of Mathematics
Denny Burzynski, Wade Ellis  Saunders College Publishing, Published in 1989, 600 pages

The Principles Of Mathematics
Bertrand Russell  W. W. Norton & Company, , 579 pages

Geometry and Group Theory
Christopher Pope  Texas A&M University, Published in 2008, 181 pages

Lectures on the topological recursion for Higgs bundles and quantum curves
Olivia Dumitrescu, Motohico Mulase  arXiv, Published in 2015, 69 pages

Statistics Done Wrong
Alex Reinhart  refsmmat.com, Published in 2013

Probability and Statistics Cookbook
Matthias Vallentin  , Published in 2012, 31 pages

Advances in Discrete Differential Geometry
Alexander I. Bobenko (ed.)  Springer, Published in 2016, 439 pages

Algebraic Logic
H. Andreka, I. Nemeti, I. Sain  , Published in 2003, 129 pages

Set Theoretic Real Analysis
Krzysztof Ciesielski  Heldermann Verlag, Published in 1997, 48 pages

Topics in Finite Geometry: Ovals, Ovoids and Generalized Quadrangles
S. E. Payne  University of Colorado Denver, Published in 2007, 945 pages

Introduction to Complex Analysis
W W L Chen  Macquarie University, Published in 2008

Introduction to Probability
Davar Khoshnevisan, Firas RassoulAgha  University of Utah, Published in 2012, 269 pages

Solid Geometry, with Problems and Applications
H. E. Slaught, N. J. Lennes  Allyn and Bacon, Published in 1919, 242 pages

Linear Optimisation and Numerical Analysis
Ian Craw  University of Aberdeen, Published in 2002, 151 pages

Calculus Without Limits
John C. Sparks  Sparrow Hawk Treasures, Published in 2008, 344 pages

Category Theory for Computing Science
Michael Barr, Charles Wells  Prentice Hall, Published in 1998, 544 pages

Lecture Notes in Lie Groups
Vladimir G. Ivancevic, Tijana T. Ivancevic  arXiv, Published in 2011, 74 pages

A First Course In Mathematical Statistics
C.E. Weatherburn  Cambridge University Press, Published in 1961, 302 pages

Modern Geometry
Robert Sharpley  University of South Carolina, Published in 2008, 230 pages

Neutral and NonEuclidean Geometries
David C. Royster  UNC Charlotte, Published in 2000, 145 pages

Engineering Analysis
 Wikibooks, Published in 2012, 193 pages

Introduction to Real Analysis
William F. Trench  Prentice Hall, Published in 2003, 583 pages

Calculus Concentrate
Russell A. Gordon  Whitman College, Published in 2006, 182 pages

Category Theory Lecture Notes
Daniele Turi  University of Edinburgh, Published in 2001, 61 pages

Opera Magistris
Vincent Isoz  Sciences.ch, Published in 2016, 5273 pages

The Design of Approximation Algorithms
D. P. Williamson, D. B. Shmoys  Cambridge University Press, Published in 2010, 496 pages

Lectures on Optimization: Theory and Algorithms
John Cea  Tata Institute of Fundamental Research, Published in 1978, 237 pages

A Quick Review of Commutative Algebra
Sudhir R. Ghorpade  Indian Institute of Technology, Bombay, Published in 2000, 13 pages

Mathematics Illuminated
MacGregor Campbell  Annenberg Foundation, Published in 2017, 441 pages

Scientific Computing
Jeffrey R. Chasnov  Harvey Mudd College, Published in 2013, 152 pages

Exotic Homology Manifolds
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Higher Algebra
Jacob Lurie  Harvard University, Published in 2017, 1166 pages

Model Theory
C. Ward Henson  University of South Carolina, Published in 2010, 122 pages

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W W L Chen  Macquarie University, Published in 2008, 238 pages

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Bruce K. Driver  University of California, San Diego, Published in 2013, 186 pages

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Advanced Calculus and Analysis
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Linear Algebra Done Wrong
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Introduction to Representation Theory
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Learning Statistics with R
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Elementary Set Theory with a Universal Set
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Calculus for the Life Sciences: A Modeling Approach
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Everything Maths: Grade 12 Mathematics
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Essential Engineering Mathematics
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Endless Amusement
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Mathematics under the Microscope
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Lectures on Elementary Probability
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Ordinary Differential Equations
Wong Yan Loi  National University of Singapore, Published in 2013, 121 pages

Complex Geometry of Nature and General Relativity
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Basic Concepts in Modal Logic
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A Second Course in Logic
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Commutative Algebra
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Fundamental Concepts of Mathematics
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Introduction to Probability Theory and Statistics for Linguistics
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