Rudin Walter Functional Analysis
Shifrin - Differential Geometry Notes
Geometry and Group Theory - Pope
Introduction to General Relativity -'t Hooft
Lectures in Classical Mechanics - Richard Fitzpatrick
Linear Algebra Done Wrong - Sergei Treil
Introduction of Frechet and Gateaux Derivative
An Introduction to Functional Derivatives
Gateaux Differentials and Frechet Derivatives
Measure Theory Notes - David Simms
Measure Theory - Liskevich
Topics in Classical Algebraic Geometry - Igor Dolgachev
Algebraic Geometry - Gathmann
MeasureTheory UCLA
Introduction to Combinatorial Topology-Reidemeister (1932)
An Extremely Quick Starter on Latex.