Lectures on Classical Dynamics, David Tong, University of Cambridge
The Feynman Lectures on Physics, Volume I, Richard Feynman
The Feynman Lectures on Physics, Volume II, Richard Feynman
Quantum Physics I, Barton Zwiebach
lecture notes
Quantum Physics II, Barton Zwiebach
lecture notes
Quantum Mechanics, J.J Binney, University of Oxford
The Feynman Lectures on Physics, Volume III, Richard Feynman
Principles of Quantum Mechanics, R Shankar [Free download from Springer. Email me for a copy]
Quantum Mechanics I, Namık Kemal, PAK
Quantum Physics III, Barton Zwiebach
lecture notes
Quantum Field Theory, David Tong
lecture notes
Quantum Field Theory, Tobias Osborne
lecture notes
Quantum Field Theory (Fall 2018), Kevin Cahill
Gauge Theories in Particle Physics (Volume 1 & 2), Ian J.R. Aitchison, Anthony J.G. Hey [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
If you would like to purchase a book for further reading I can recommend Field Quantization by Walter Greiner & Joachim Reinhardt
Advanced Quantum Field Theory, Tobias Osborne
lecture notes
Quantum Field Theory II (Spring 2019), Kevin Cahill | Class notes | Additional notes
Physics from Symmetry, Jakob Schwichtenberg [Free download from Springer. Email me for a copy of the book | Errata] This is probably the best introductory book I have seen written on symmetry in physics.
If you would like to purchase a book for further reading I can recommend Quantum Field Theory by Franz Mandl, Graham Shaw & Quantum Field theory and the Standard Model by Matthew D. Schwartz. [Free download from harvard.edu. Email me for a copy of the PDF]
Standard Model Review, Paul Langacker
Grand Unification and the Standard Model (PDF) | Introduction to Standard Model and Electroweak Physics (PDF)
MIT 8.962 General Relativity, Spring 2020, Scott Hughes
lecture notes
Relativity, Neil Turok, Perimeter Institute for Theoretical Physics
Lecture Notes on General Relativity, Sean M. Carroll (PDF)
Four lectures on the Theory of Relativity, Princeton University, May 1921, Albert Einstein.
The Early Universe, Alan Guth, MIT
lecture slides
Supersymmetry, Fernando Quevedo, University of Cambridge
lecture notes
Explorations In Particle Theory, Ben Allanach, Perimeter Institute for Theoretical Physics
lecture notes
Introduction to String Theory, Neil Lambert
lecture notes | solutions
Lectures on String Theory, David Tong, University of Cambridge
An Introduction to String Theory, Kevin Wray, University of California, Berkeley
String Theory Review, Barton Zwiebach, Perimeter Institute for Theoretical Physics
Introduction to Superstrings and M-Theory, Michio Kaku [Free download from Springer. Email me for a copy of the book]
Strings, Conformal Fields and M-theory, Michio Kaku [Free download from Springer. Email me for a copy of the book]
Introduction to Loop Quantum Gravity, Carlo Rovelli, CPT, Marseille
Covariant Loop Quantum Gravity, Carlo Rovelli & Francesca Vidotto
Lectures by Kevin Cahill: Fall 2017 | Spring 2017 | Spring 2018
Differential Equations and Linear Algebra, Gilbert Strang
Group Theory in a Nutshell for Physicists, Anthony Zee
The Theoretical Minimum, Leonard Susskind, Stanford Institute for Theoretical Physics
Lectures on Theoretical Physics, David Tong, University of Cambridge
Introduction to Gauge Field Theory, David Bailin, Alexander Love [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
The Standard Model and Beyond, Paul Langacker [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
Lie Algebras In Particle Physics, Howard Georgi [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
Cosmology in Gauge Field Theory and String Theory, David Bailin, Alexander Love [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
Supersymmetric Gauge Field Theory and String Theory, David Bailin, Alexander Love [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
Group Theory for the Standard Model of Particle Physics and Beyond, Ken J. Barnes [Free download from Taylor & Francis. Email me for a copy of the book, if no longer available for download]
Quantum Field Theory, Mark Srednicki [Draft copy of book | Spin Zero | Spin One Half]
Notes from Sidney Coleman's Physics 253
Multivariable Calculus, Edward Frenkel
A Course of Pure Mathematics, G. H. Hardy, 1908
A Treatise on the Integral Calculus, Volume I, Jospeh Edwards, 1921
A Treatise on the Integral Calculus, Volume II, Jospeh Edwards, 1922