Klein Paradox
6.5Foldy–Wouthuysen Transformation
7.1Fock-space representation of fields
7.3P, C, T from equations of motion
7.4P, C, T in second quantization
8.1Lagrangian formulation and Euler–Lagrange equations
8.2Canonical quantization: unconstrained systems
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
