| Kac, Mark | Discrete Thoughts: Essays on Mathematics, Science, and Philosophy | 00 General and overarching topics; collections |
| Kaiser, Gerald | A Friendly Guide to Wavelets | 42 Harmonic analysis |
| Kamke, E | Theory of Sets | 03 Mathematical logic and foundations |
| Kanigel, Robert | The Man Who Knew Infinity: A Life of The Genius Ramanujan | 01 History and biography |
| Kaplan, Wilfred | Introduction to Analytic Functions | 30 Functions of a complex variable |
| Kaplan, Wilfred | Advanced Calculus | 26 Real functions |
| Kaplan, Wilfred | Maxima and Minima with Applications | 49 Calculus of variations and optimal control; optimization |
| Kaplansky, Irving | Commutative Rings (Revised Edition) | 13 Commutative algebra |
| Kaplansky, Irving | An Introduction To Differential Algebra | 12 Field theory and polynomials |
| Kaplansky, Irving | Infinite Abelian Groups | 20 Group theory and generalizations |
| Kaplansky, Irving | Fields and Rings | 12 Field theory and polynomials |
| Karlin, Samuel | Mathematical Methods and Theory in Games, Programming and Economic | 90 Operations research, mathematical programming |
| Karlin, Samuel | Total Positivity | 46 Functional analysis |
| Karonski, M. | Random Graphs '85 | 05 Combinatorics |
| Kassel, Christian | Quantum Groups | 16 Associative rings and algebras |
| Kato, T.L. | Perturbation Theory for Linear Operators | 47 Operator theory |
| Kattsoff, Louis | A Philosophy of Mathematics | 00 General and overarching topics; collections |
| Katz, Nicholas | Exponential Sums and Differential Equations | 11 Number theory |
| Katz, Victor | Taming the Unknown: A History of Algebra from Antiquity to the Early Twentieth Century | 01 History and biography |
| Katz, Victor | A History of Mathematics | 01 History and biography |
| Katz, Jonathan | Introduction to Modern Cryptography | 94 Information and communication |
| Katz, Victor | The Mathematics of Egypt, Mesopotamia, China, India, and Islam: A Sourcebook | 01 History and biography |
| Kauffman, Louis | On Knots | 55 Algebraic topology |
| Kauffman, Louis H. | On Knots | 57 Manifolds and cell complexes |
| Kazarinoff, Nicholas | Analytic Inequalities | 26 Real functions |
| Kearns, Michael | An Introduction to Computational Learning Theory | 68 Computer science |
| Kedlaya, Kiran | The William Lowell Putnam Mathematical Competition 1985-2000; Problems, Solutions and Commentary | 00 General and overarching topics; collections |
| Keedwell, A.D. | Surveys in Combinatorics 1991 | 05 Combinatorics |
| Keller, Joseph | Bifurcation Theory and Nonlinear Eigenvalue Problems | 35 Partial differential equations |
| Kelley, John | General Topology | 54 General topology |
| Kelley, Walter | Difference Equations: An Introduction with Applications | 39 Difference equations |
| Kellogg, Oliver D. | Foundations of Potential Theory | 35 Partial differential equations |
| Kemeny, John G. | Introduction to Finite Mathematics | 90 Operations research, mathematical programming |
| Kemeny, John G. | Denumerable Markov Chains | 60 Probability theory and stochastic processes |
| Kemp, Ranier | Fundamentals of the Average Case Analysis of Particular Algorithms | 68 Computer science |
| Kendall, M.G. | Rank Correlational Methods | 62 Statistics |
| Kenschaft, Patricia | Change is Possible: Stories of Women and Minorities in Mathematics | 01 History and biography |
| Keshet, Leah E. | Mathematical Models in Biology | 92 Biology |
| Khan, Donald W. | Topology. An introduction to the point-set and algebraic areas | 54 General topology |
| Khesin, Boris | Arnold: Swimming Against the Tide | 01 History and biography |
| Khinchin, A.I. | Mathematics Foundations of Statistical Mechanics | 82 Statistical mechanics, structure of matter |
| Kifer, Yuri | Ergodic Theory of Random Transformations | 60 Probability theory and stochastic processes |
| Kilmister, C.W. | Hamiltonian Dynamics | 70 Mechanics of particles and systems |
| Kilpatrick, Jeremy | Adding It Up: Helping Children Learn Mathematics | 97 Mathematics education |
| KinderLehrer, David | An Introduction to Variational Inequalities and Their Applications | 49 Calculus of variations and optimal control; optimization |
| Kindermann, Ross | Markov Random Fields and their Applications | 60 Probability theory and stochastic processes |
| Kingman, J.F.C | Introduction to Measure and Probability | 28 Measure and integration |
| Kirillov, Aleksandr | Elements of the Theory of Representations | 20 Group theory and generalizations |
| Kirwan, Frances | Complex Algebraic Curves | 14 Algebraic geometry |
| Kitchens, Bruce | Symbolic Dynamics: One-Sided, Two-Sided and Countable State Markov Shifts | 58 Global analysis, analysis on manifolds |
| Klamkin, Murray | Problems in Applied Mathematics: Selections from SIAM Review | 00 General and overarching topics; collections |
| Klee, Victor | Old and New Unsolved Problems in Plane Geometry and Number Theory | 11 Number theory |
| Kleene, S | Introduction to Metamathematics | 02 (03) Mathematical logic and foundations |
| Kleene, Stephen | Mathematical Logic | 02 (03) Mathematical logic and foundations |
| Kleene, Stephen | Kurt Godel | 01 History and biography |
| Kleene, S | Formalized Recursive Functionals and Formalized Realizability | 03 Mathematical logic and foundations |
| Kleene, Stephen C. | Kurt Godel 1906-1978 | 00 General and overarching topics; collections |
| Klein, Felix | Über Das Ikosaeder | 51 Geometry |
| Klein, Felix | Kleins Famous Problems of Elementary Geometry | 51 Geometry |
| Klein, Felix | The Icosahedron and the solution of equations in the fifth degree | 52 Convex and discrete geometry |
| Klein, Felix | Elementary Mathematics from an Advanced Standpoint Vol II: Geometry | 00 General and overarching topics; collections |
| Klein, Jacob | Greek Mathematical Thought and the Origin of Algebra | 01 History and biography |
| Klein, Felix | Entwicklung der Mathematik | 01 History and biography |
| Klein, Felix | Arithmetic Algebra Analysis | 00 General and overarching topics; collections |
| Klimov, G. | Probability Theory and Mathematical Statistics | 60 Probability theory and stochastic processes |
| Kline, Morris | Mathematics in Western Culture | 01 History and biography |
| Kline, Morris | Mathematical Thought From Ancient to Modern Times | 01 History and biography |
| Kline, Morris | Mathematics: A Cultural Approach | 01 History and biography |
| Knopp, Konrad | Theory of Functions PART I | 30 Functions of a complex variable |
| Knopp, Konrad | Theory of Functions PART II | 30 Functions of a complex variable |
| Knopp, Konrad | Problem Book in the Theory of Functions | 30 Functions of a complex variable |
| Knopp, Konrad | Problem Book 1 | 30 Functions of a complex variable |
| Knopp, Konrad | Theory of Functions | 30 Functions of a complex variable |
| Knopp, Konrad | Theory and Application of Infinite Series | 40 Sequences, series, summability |
| Knops, R.J. | Theory of Elastic Stability | 73 (73) Mechanics of deformable solids |
| Knops, R.J. | Uniqueness Theorems in Linear Elasticity | 73 (73) Mechanics of deformable solids |
| Knuth, Donald | The Art of Computer Programming: Volume 4, Fascicle 1 | 68 Computer science |
| Knuth, Donald | The Art of Computer Programming: Volume 4, Fascicle 0 | 68 Computer science |
| Knuth, Donald | The Art of Computer Programming: Volume 4, Fascicle 2 | 68 Computer science |
| Knuth, Donald | The Texbook | 00 General and overarching topics; collections |
| Knuth, Donald | The Art of Computer Programming: Volume 4, Fascicle 3 | 68 Computer science |
| Knuth, Donald | The Art of Computer Programming: Volume 4, Fascicle 4 | 68 Computer science |
| Koch, Herbert | Dispersive Equations and Nonlinear Waves | 35 Partial differential equations |
| Kochendorffer, Rudolf | Group Theory in the Bedroom | 20 Group theory and generalizations |
| Koh, K.M. | Graph Theory Singapore 1983; Proceedings | 05 Combinatorics |
| Kolmogorov, A.M. | Foundation of the Theory of Probability | 60 Probability theory and stochastic processes |
| Kolmogorov, A. N. | Introduction to Real Analysis | 26 Real functions |
| Kolmogorov, A.N. | Functional Analysis | 46 Functional analysis |
| Kolmogorov, A | Functional Analysis | 46 Functional analysis |
| Kolmogorov, A.N | Functional Analysis | 46 Functional analysis |
| Kolmogorov, A | Elements of the Theory of Functions and Functiona Analysis | 26 Real functions |
| Korte, Bernhard | Combinatorial Optimization: Theory and Algorithms | 05 Combinatorics |
| Koshy, Thomas | Pell and Pell-Lucas Numbers with Applications | 11 Number theory |
| Kostrikin, A.I. | Exercises in Algebra: A Collection of Exercises in Algebra, Linear Algebra, and Geometry | 00 General and overarching topics; collections |
| Kostrikin, Alexei | Linear Algebra and Geometry | 15 Linear and multilinear algebra; matrix theory |
| Kostrikin, A.I. | Algebra I: Basic Notions of Algebra | 09 Abstract algebra |
| Kothe, G | Topological Vector Spaces II | 46 Functional analysis |
| Kouzes, James | The Student Leadership Challenge | 97 Mathematics education |
| Kowalski, H.J. | Topological Spaces | 55 Algebraic topology |
| Koyré, Alexandre | Newtonian Studies | 01 History and biography |
| Krabs, W | On Moment Theory and Controllability of One-Dimensional Vibrating Systems and Heating Processes | 49 Calculus of variations and optimal control; optimization |
| Krantz, Steven | A Mathematician’s Survival Guide | 00 General and overarching topics; collections |
| Krauth, Werner | Statistical Mechanics: Algorithms and Computations | 82 Statistical mechanics, structure of matter |
| Krebbe, Greges | Operational Calculus | 44 Integral transforms |
| Krein, S.G. | Linear Differential Equations in Banach Space | 35 Partial differential equations |
| Kreith, Kurt | Oscillation Theory | 34 Ordinary differential equations |
| Krengel, Ulrich | Ergodic Theorems | 28 Measure and integration |
| Krishnamurthy, V. | Combinatorics: Theory and Applications | 05 Combinatorics |
| Kruskal, Joseph | Studies in Combinatorics | 05 Combinatorics |
| Kubilius, J. | Probabilistic Methods in the Theory of Numbers | 11 Number theory |
| Kuhn, H.W. | Linear Inequalities and Related Systems | 47 Operator theory |
| Kuhn, H.M. | Linear Inequalities and Related Systems | 90 Operations research, mathematical programming |
| Kuhn, H.W. | Contributions to the Theory of Games | 90 Operations research, mathematical programming |
| Kullback, Solomon | Information Theory and Statistics | 62 Statistics |
| Kulli, V.R. | Recent Studies in Graph Theory | 05 Combinatorics |
| Kuratowski, K. | Introduction to Set Theory and Topology | 54 General topology |
| Kurosh, A. G. | Lectures in General Algebra | 08 General algebraic systems |
| Kushner, B.A. | Lectures on Constructive Mathematical Analysis | 46 Functional analysis |
| Kwong, Chen K. | Simulation of the series of orthogonal functions | 42 Harmonic analysis |
| Körner, T.W. | Fourier Analysis | 42 Harmonic analysis |