- The Historical Development of Quantum Theory: Part 1; The Fundamental Equations of Quantum Mechanics 1925-1926 : Part 2; The Reception of the New Qua (Applications of Mathematics)
- The Historical Development of Quantum Theory, Vol. 5: Erwin Schrödinger and the Rise of Wave Mechanics. Part 1: Schrödinger in Vienna and Zurich 1887-1925
- The Historical Development of Quantum Theory, Vol 3: The Formulation of Matrix Mechanics and Its Modifications 1925-1926
- The Historical Development of Quantum Theory : Volume 6 - 1 The probabilistic Interpretation and the Empirical and Mathematical Foundation of Quantum Mechanics, 1926-1936
- Original Scientific Papers / Wissenschaftliche Originalarbeiten