Geometry.Net - Field Theory books
Overview on Lattice Field Theory
Quantum Gravity/Baez
Baez Notes/quantum gravity
Loop Quantum Gravity
Theory: Feynman Diagrams
Physics Encyclopedia: Quantum Field Theory, mirror
COmpendium of RElations, Pauli matrices, Dirac matrices, etc (V.I. Borodulin, R.N. Rogalyov, S.R. Slabospitsky, IHEP, Russia)
Re: Uses of Feynman diagrams

QFT course (J Forshaw, Manchester 2002)
General Field Theory Physics 483 (Eduardo Fradkin, UIUC 2003)
Advanced Field Theory Physics 485 (Eduardo Fradkin, UIUC 2003)
Quantum Field Theory P621 (Steven Gottlieb, Indiana 2002)
Introduction to Quantum Field Theory (V Kaplunovsky, U Texas 2002): Kaplunovsky notes: QED vertex diagram to 1 loop
QFT Physics 221A (M Srednicki, UC Santa Barbara 2002)
QFT Physics 221C (M Srednicki, UC Santa Barbara 2003): Srednicki lecture notes: mostly phi^3
QFT course (P van Baal, Leiden 2002)
Physics 344 (R Plesser, Duke 2000)
PHY 610, 611 (Warren Siegel, Stony Brook 2003): Siegel textbook