ANALYSIS
1 Gilbert & Israel Computer Supported Calculus
2 Whittaker & Watson A Course in Analysis
3 Gaughan Introduction to  Analysis
4 Kirkwood Introduction to  Analysis
5 Edwards Advanced Calculus
6 Demidovich Problems in Mathematical Analysis
7 Dudley Real Analysis & Probability
8 Narayan Mathematical Analysis
9 Apostol Mathematical Analysis
10 Gordon Real Analysis
11 Hardy A Course of Pure Mathematics
12 Rudin Principles of Mathematical Analysis
13 Rudin Real & Complex Analysis
14 Widom Lectures on Measure & Integration
15 Halmos Measure Theory
16 Kolmogorov  Introduction to  Real Analysis
17 Williamson  Lebesgue Integration
18 Friedlander & Joshi Theory of Distributions
19 Zemanian Distribution Theory & Transform Analysis
20 Gelfand Generalized Functions
21 Wunsch Functions of Complex Variables
22 Philips Complex Variables with Applications
23 Ahlfors Complex Analysis
24 Kamke The Theory of Sets
25 Morgan Point Set Theory
26 Kreyszig Introduction to Functional Analysis
27 Choudary & Nanda Functional Analysis with Applications
28 Soule Linear Operators in Hilbert Space
29 Schmeidler Linear Operators in Hilbert Space
30 Zeidler Applied Functional Analysis
31 Lax Functional Analysis 
ALGEBRA
1 Leon Linear Algebra with Applications
2 Johnson Reiss & Arnold Linear Algebra with Applications
3 Nef Linear Algebra 
4 Lipshutz Linear Algebra
5 Axler Linear Algebra Done Roght
6 Szabo Linear Algebra
7 Halmos Finite Dimensional Vector Spaces
8 Baumslag & Chandler Group Theory
9 Carmichael Introduction to Theory of Groups of Finite Order
10 Joshi Group Representations for Physicists
11 Jacobson Lectures in Abstract Algebra
12 Lipkin Lie Groups for Pedestrians
13 Strang Linear Algebra
14 Northcott Lectures on Rings Modules & Multiplicities
15 Golub Matrix Computations
TOPOLOGY
1 Mendelson Introduction to Topology
2 Dugundgee Topology
3 Yahya et.al Topology
4 Lipshutz Topology
5 Munkres Topology
DIFFERENTIAL GEOMETRY
1 Prakash Differential Geometry
2 DoCarmo Differential Geometry
3 Eisenhart A Treatise on the Differential Geometry of Curves & Surfaces
4 Shouten Tensor Analysis on for Physicists
5 Synge & Schild Tensor Calculus
6 Auslander & MacKenzie Introduction to Differentiable Manifolds
ORDINARY DIFFERENTIAL EQUATIONS
1 Sanchez Ordinary Differential Equations & Stability Theory
2 Forsyth A Treatise on Ordinary Differential Equations
3 Burkill Theory of  Ordinary Differential Equations
4 Coddington & Levinson The Theory of  Ordinary Differential Equations
5 Raisinghania Ordinary Differential Equations
6 Perko Differential Equations & Dynamical Systems
7 Arnold  Ordinary Differential Equations
8 Arnold Geometric Methods in the Theory of  Ordinary Differential Equations
PARTIAL DIFFERENTIAL EQUATIONS
1 Shu Boundary Value Problems of Partial Differential Equations
2 Bick Elementary Partial Differential Equations
3 Sneddon Elementary Partial Differential Equations
4 Altman A Unified Theory of Non Linear Operator Equations & Applications
5 Taylor Partial Differential Equations
6 Evans Partial Differential Equations
7 Evans et.al Analytic Methods in Partial Differential Equations
8 Friedman Partial Differential Equations
9 Gustafson Introduction to Partial Differential Equations
10 Pazy Semi Groups of Linear Operators
11 Bluman Symmetry & Differential Equations
12 Guenther & Lee Partial Differential Equations of Mathematical Physics
13 Folland Partial Differential Equations
STOCHASTIC DIFFERENTIAL EQUATIONS
1 Gard Stochastic Differential Equations
2 Oksendal et.al Stochastic Differential Equations
3 Protter Stochastic Integration &  Differential Equations
MATHEMATICAL PHYSICS
1 Lin & Segal Mathematics applied to Deterministic Problems in Natural Sciences
2 Hidebrand Methods of Applied Mathematics
3 Courant & Hilbert Methods of Applied Physics
4 Courant  Methods of Applied Physics
5 Animinov et.al Applied Integral Transforms
6 Keener Principles of Applied Mathematics
NUMERICAL ANALYSIS
1 Thomas Numerical Partial Differential Equations
2 Ortega & Poole Numerical Methods for Differential Equations
3 LeVeque Numerical Methods for Conservation Laws
4 Borse Numerical Methods with MATLAB
5 Trefethen Numerical Linear Algebra
6 Heath Scientific Computation
7 Issacson & Keller Analysis of Numerical Methods
8 Henrici Numerical Analysis
ASYMPTOTIC METHODS
1 Kevorkian & Cole Multiple Scales & Singualr Perturbation Methods
2 Beder & Orszag Advanced Mathematical Methods for Scientists & Engineers
3 Erdelyi Asymptotic Expansions
4 Copson Asymptotic Expansions
5 Holmes Perturbation Methods
6 Murdock Perturbation Theory & Methods
STATISTICS & PROBABILITY
1 Hartigan Bayes Theory
2 Pole & West Appleid Bayesian Forecasting
3 Mosteller & Tukey Data Analysis & Regression
4 Lipshutz Probability
5 Ross A First Course in Probability
6 Ross Probability Models
7 Bartlett Stocahstic Processes
8 Karlin & Taylor A First Course in Stochastic Processes
9 Hoel  Introduction to Stochastic Processes
10 Gupta et.al Statistical Decision Theory
11 Box & Tiao Bayesian Inference in Statistical Analysis
12 Graybill Introduction to the Theory of Statistics
13 Daniel Biostatistics
14 Press Bayesian Statistics