--------------------------------------------- Useful background, online lecture notes, etc. --------------------------------------------- (incomplete, just some useful references) Gerard 't Hooft, How to become a _good_ theoretical physicist http://www.phys.uu.nl/~thooft/theorist.html (with lots of further references) Physics E-Books for free online viewing and/or download http://www.e-booksdirectory.com/listing.php?category=2 (quite comprehensive) John Baez How to Learn Math and Physics http://math.ucr.edu/home/baez/books.html Hyperphysics http://hyperphysics.phy-astr.gsu.edu/hbase/hph.html A tree (well, almost) of physics fields, subfields, and concepts. The leaves explain things in some detail. There is an index but it does not contain references to each node. Organization seems to be experimental physics oriented; for example, I have not found nodes with 'statistical mechanics' or 'quantum field theory'. Everything You Always Wanted to Know About the Hydrogen Atom (But Were Afraid to Ask) http://www.pha.jhu.edu/~rt19/hydro/hydro.html Theory of Renormalization and Regularization http://wwwthep.physik.uni-mainz.de/~scheck/Hessbg02.html contains a very useful set of online notes that may serve as an introduction to QFT from a mathematical physics point of view. Lecture Scripts and Online Courses on Quantum Mechanics http://cips02.physik.uni-bonn.de/~baehren/scripts/quantum.html and on other physics topics http://www.astron.nl/~bahren/wiki/doku.php?id=studium:lecture_scripts Norbert Dragon, Remarks on Quantum Mechanics http://www.itp.uni-hannover.de/~dragon/qm_eng.ps.gz Lost & Regained Causes in theoretical physics http://www.mth.kcl.ac.uk/~streater/lostcauses.html http://www.mth.kcl.ac.uk/~streater/regainedcauses.html Selected Classic Papers from the History of Chemistry http://web.lemoyne.edu/~giunta/papers.html Digest of moderated newsgroup sci.physics.research http://www.lns.cornell.edu/spr Online Video Courses http://academicearth.org/ Historical Physics Lecture Notes http://hrst.mit.edu/hrs/renormalization/public/documents.htm * Freeman J. Dyson, Advanced Quantum Mechanics 1951 * Fritz Rohrlich, Applied Quantum Electrodynamics, 1953 * Green and Sengers Proc. 1965 conference on critical phenomena * Cyril Domb's brief historical survey on critical phenomena, 1985 * 1993 roundtable, Physics in Transition Resources for the History of Physics & Allied Fields http://www.aip.org/history/web-link.htm Introduction to General Relativity (video) http://timms.uni-tuebingen.de/ Review articles on Local Quantum Physics http://www.lqp.uni-goettingen.de/bibliography/reviews.html Quantum field Theory (by Mark Srednicki) http://www.physics.ucsb.edu/~mark/ms-qft-DRAFT.pdf a free preliminary version of http://www.physics.ucsb.edu/~mark/qft.html Quantum field theory (by Richard Borcherds) http://arxiv.org/pdf/math-ph/0204014v1 Sidney Coleman Lecture notes on quantum field theory http://www.damtp.cam.ac.uk/user/dt281/qft/col1.pdf http://www.damtp.cam.ac.uk/user/dt281/qft/col2.pdf Physics E-Books for free online viewing and/or download http://www.e-booksdirectory.com/listing.php?category=2