1. Many interesting details and references on the early history of QED and divergences can be found in S. Weinberg, The Theory of Quantum Fields, vol. 1, chap. 1, Cambridge 1995 (Cambridge Univ. Press).
2. Some early articles are reprinted in J. Schwinger ed., Selected Papers in Electrodynamics, (Dover, New-York 1958).
3. See also N.N. Bogoliubov and D.V. Shirkov, Introduction to the Theory of Quantized Fields, Interscience (New-York 1959).
4. For a review of the situation after the Standard Model was established see Methods in Field Theory, Les Houches 1975, R Balian and J. Zinn-Justin eds., (North-Holland, Amsterdam 1976)
5. Itzykson and J.B. Zuber, Quantum Field Theory, (McGraw-Hill, New-York 1980).