Pauli asks about quantized field theory. He makes some remarks on Heisenberg's article for the Bohr-Festschrift, and on Einstein idea of physical reality: "the isolated observer". More about "incomplete descriptions" in physics.

Pauli advises Klein on improvements to his Bohr-Festschrift article. He reports on receipt of Landan's article. Pauli makes remarks on Soviet contacts with the West.

Pauli writes about his preparations for the Bern congress. He relays Hopf's remarks on the mathematician Alexandrov.

Pauli makes editorial remarks on Klein's article. He reports on his trip to Holland.

Pauli writes of Landau's paper "The quantum theory of fields" for the Bohr-Festschrift and comments on it. He says more about the Thirring-model and about Heisenberg's paper on the non-linear spinor-equation.

Heisenberg talks about the arguments of his collaborators against his axiomatics.