Pauli answers a question asked by Dyson on the comparison of the Bohr-Rosenfeld analysis with the mathematical results of quantum electrodynamics for normalized field commutators.

About a boat travel and the preparation of a conference in Paris.

Heisenberg replies to objections from Pauli regarding his work on quantum electrodynamics, in particular in connection with the S-matrix.

Pauli writes on the symbol of trinity.

Pauli will attend the inauguration of new institute in Lund.

About W. Pauli's 'Kepler work' coming to an end and its edition together with a work by C. G. Jung on 'Synchronicity, an Acausal Connecting Principle'.

Pauli writes about his essays on Kepler which will be finished shortly.

Pauli asks some questions concerning the connection between spin and statistics. He also quotes Schopenhauer about Plotinus.