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Here are some of my favorites :
Sidney Coleman's Quantum Field TheoryQuantum Field Theory
Shiraz Minwalla's String Theory
MIT OCW
Videos to short courses at some workshops can be found at IAS and MSRI
Sidney Coleman's Quantum Field Theory
Videos to short courses at some workshops can be found at www.ias.eduIAS and www.msri.eduMSRI
Videos to short courses at some workshops can be found at www.ias.edu and www.msri.edu
Sidney Coleman's Quantum Field Theory (http://www.physics.harvard.edu/about/Phys253.htmlQuantum Field Theory)
Shiraz Minwalla's String Theory (http://theory.tifr.res.in/~minwalla/String Theory)
MIT OCW (http://ocw.mit.edu/courses/audio-video-courses/#mathematicsOCW)
Videos to short courses at some workshops can be found at www.ias.eduwww.ias.edu and www.msri.eduwww.msri.edu
Sidney Coleman's Quantum Field Theory (http://www.physics.harvard.edu/about/Phys253.html)
Shiraz Minwalla's String Theory (http://theory.tifr.res.in/~minwalla/)
MIT OCW (http://ocw.mit.edu/courses/audio-video-courses/#mathematics)