| Nachbin, Leopoldo | Elements of Approximation Theory | 41 Approximations and expansions |
| Nachbin, Leopoldo | Topology and Order | 54 General topology |
| Nachbin, Leopoldo | The Haar Integral | 28 Measure and integration |
| Nachbin, L | The Haar Integral | 28 Measure and integration |
| Nagata, Jun-Iti | Modern Dimension Theory | 54 General topology |
| Nagel, Ernest | Logic, Methodology and Philosophy of Science: Proceedings of the 1960 International Congress | 03 Mathematical logic and foundations |
| Nahin, Paul | Inside Interesting Integrals | 26 Real functions |
| Nahin, Paul | Chases and Escapes: The Mathematics of Pursuit and Evasion | 49 Calculus of variations and optimal control; optimization |
| Nahin, Paul | Dr. Euler's Fabulous Formula | 00 General and overarching topics; collections |
| Naimark, M.A. | Normed Rings | 46 Functional analysis |
| Narasimhan, Raghavan | Several Complex Variables | 32 Several complex variables |
| Nashed, M. Zuhair | Generalized Inverses and Applications | 15 Linear and multilinear algebra; matrix theory |
| Nathanson, Melvyn | Number Theory Carbondale 1979, Proceedings | 11 Number theory |
| Nayfeh, Ali H. | Nonlinear Oscillations | 73 (73) Mechanics of deformable solids |
| Nef, Walter | Linear Algebra | 15 Linear and multilinear algebra; matrix theory |
| Nehari, Zeev | Conformal Mapping | 30 Functions of a complex variable |
| Neher, Erhard | On the Classification of Lie and Jordan Triple Systems | 17 Nonassociative rings and algebras |
| Nelson, Edward | Topics in Dynamics I: Flows | 47 Operator theory |
| Nesetril, Jaroslav | Mathematics of Ramsey Theory | 05 Combinatorics |
| Nesetril, J. | Fourth Czechoslovakian Symposium on Combinatorics, Graphs and Complexity | 05 Combinatorics |
| Netz, Reviel | The Archimedes Codex: How a Medieval Prayer Book Is Revealing the True Genius of Antiquity's Greatest Scientist | 01 History and biography |
| Neugebauer, O. | Mathematical Cuneiform Texts | 01 History and biography |
| Neumann, John V. | Functional Operators: Measures and Integrals | 47 Operator theory |
| Neumann, B.H. | Lectures on Topics in the Theory of Infinite Groups | 20 Group theory and generalizations |
| Neumann, John V. | Functional Operators: The Geometry of Orthogonal Spaces | 47 Operator theory |
| Neuwirth, L.P. | Knot Groups | 57 Manifolds and cell complexes |
| Nevanlinna, Olavi | Meromorphic Functions and Linear Algebra | 30 Functions of a complex variable |
| Neveu, Jaques | The Calculus of Probability | 60 Probability theory and stochastic processes |
| Neviile, Eric | Elliptic Functions: A Primer | 33 Special functions |
| Neville, Eric | Jacobian Elliptic Functions | 33 Special functions |
| Newcomb, Robert | Nonlinear Systems Analysis | 93 Systems theory; control |
| Newman, James | The World of Mathematics | 00 General and overarching topics; collections |
| Newman, M.H.A | Topology of Plane Sets | 54 General topology |
| Newton, Isaac | Principia Volume 1: The Motion of Bodies | 01 History and biography |
| Newton, Isaac | Opticks | 01 History and biography |
| Newton, Isaac | Principia Volume 2: The System of the World | 01 History and biography |
| Nirenberg, Louis | Lectures of Linear Partial Differential Equations | 35 Partial differential equations |
| Nirenberg, L. | Topics in Nonlinear Functional Analysis | 46 Functional analysis |
| Nirenberg, L. | Functional Analysis | 46 Functional analysis |
| Nisan, Noam | Algorithmic Game Theory | 91 Game theory, economics, social and behavioral sciences |
| Nishizeki, T. | Planar Graphs: Theory and Applications | 05 Combinatorics |
| Nitecki, Zbigniew | Differentiable Dynamics | 58 Global analysis, analysis on manifolds |
| Nixon, Floyd | Handbook of Laplace Transformation, Fundamentals, Applications, Tables, and Examples | 44 Integral transforms |
| Noble, B. | Methods Based on the Wiener-Hopf Technique for the Solution of Partial Differential Equations | 35 Partial differential equations |
| Noble, Ben | Applications of Undergraduate Mathematics in Engineering | 69 Mathematical physics and engineering |
| Northcott, D.G. | Homological Algebra | 18 Category theory; homological algebra |
| Northcott, D.G. | Ideal Theory | 16 Associative rings and algebras |
| Novak, J. | General Topology and its Relations to Modern Analysis and Algebra | 54 General topology |
| Novikov, P | Elements of Mathematical Logic | 03 Mathematical logic and foundations |
| Novy, Lubos | Origins of Modern Algebra | 09 Abstract algebra |
| Nussbaumer, H.J. | Fast Fourier Transform and Convolution Algorithms | 65 Numerical analysis |