Pauli says his difficulties with model pictures. He reports on his "generalization" of Stoner's work for closing of shells. He comments the new edition of Sommerfeld's Atombau.

Pauli talks about spectral terms for oxygen. He finds support for Landé-Heisenberg "branching rule" and "Heisenberg's theory". He comments Kronig's formulas. He makes personal remarks on Lenz.

Pauli critizices the treatment of photoelectric and Compton effects in Sommerfeld's Atombau. He reports on Rabi's work on X-ray absorbtion. He talks about Oppenheimer's paper in Z. Phys. on continuous X-ray spectra.

Pauli suggests some physical properties of neutrino and criticizes de Broglie's idea of light quantum as two neutrinos.

Pauli reports on his activities in Zürich and on his travel to England and Holland.

Pauli makes remarks on Jordan's five-dimentional theory and on Pauli's tensor calculus.

Pauli talks about the possibility to improve Serber's and Dancoff's method of the symmetrical-pseudoscalar theory.

Pauli makes observations on part 2 of Schwinger's paper. He talks about vacuum polarization and selfenergy of the electron.

Pauli writes about the relativistic equations and the expressions for charge- and current-density.

Pauli writes about the necessity of equal treatment of space and time coordinates in relativistic quantum mechanics. He talks about the impossibility to explain quantum phenomena with concepts of continuum physics alone. He comments