8.3Canonical quantization: constrained systems
8.4QED as a constrained system
9Global Symmetries and Conservation Laws
10.2Differential cross-section
11.1Interaction picture and U-matrix
11.2Interaction picture representation of Green functions
11.7Going over to momentum space
11.8Momentum space Feynman rules for QED
11.10The Moeller differential cross-section
12Parametric Representation of a General Diagram
12.1Cutting rules for a general diagram
12.2An alternative approach to cutting rules
12.34-point function in the ladder approximation
13.2Schwinger’s Construction of 
13.4Path-integral representation of correlators in QM
13.5Feynman path-integral representation in QFT
13.6Path-Integral for Grassman-valued fields
13.8Mathews–Salam representation of QED generating functional
13.9Faddeev–Popov quantization and a-gauges
14.1Classification of Feynman Diagrams
14.2Basic building blocks of QED
15Regularization of Feynman Diagrams
15.1Pauli–Villars and dimensional regularization
15.1.2Photon vacuum polarization
16.1The principles of renormalization