1. Der stetige �bergang von der Mikro- zur Makromechanik
2. Schrödinger's nine basic papers on quantum mechanics have been collected and translated into English in Collected Papers on Wave Mechanics (Blackie and Son, London, 1928).
3. Photon Correlations
4. The Quantum Theory of Optical Coherence
5. Coherent and Incoherent States of the Radiation Field