LINKS to sites explaining quantum mechanics and its history, and additional books, are here.
Non-Technical
Heisenberg, W., Der Teil und das Ganze (Munich: Piper, 1969). English: Physics and Beyond: Encounters and Conversations. A.J. Pomerans, trans. (New York: Harper & Row, 1971), chapter 5.
Pais, Abraham, Niels Bohr's Times: In Physics, Philosophy, and Polity (New York: Oxford Univ. Press, 1991).
Hendry, John, The Creation of Quantum Mechanics and the Bohr-Pauli Dialogue (Hingham, Mass.: D. Reidel, 1984).
Cassidy, David, Uncertainty: The Life and Science of Werner Heisenberg (New York: W.H. Freeman, 1992), chapters 10, 11.
Technical
Jammer, Max, The Conceptual Development of Quantum Mechanics (New York: McGraw-Hill, 1966), chapters 4-5.
Mehra, Jagdish and Helmut Rechenberg, The Historical Development of Quantum Theory (New York: Springer-Verlag, 1982), volumes 2-4.
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