Pauli asks if dispersion relations can be applied to weak interactions problems.

Pauli refers to the discussion between Symanzik and Källén.

This letter contains a continuation of an oral discussion on the thermodynamics of dissociating equilibria in external fields of force.

Pauli makes further remarks on the subject of his last letter (15 October 1952).

Pauli says that he received a telegram from Cowan and Reiners on the discovery of neutrino.

Pauli suggests to make a joint colloquium talk on a paper by Ramsey on "Negative temperatures".

Pauli comments Spizer's paper on "Communication relations of interacting spinor fields" published in: Phys. Rev. : 105 (1957), pp. 1919.

Pauli discusses his decision to return to Zürich after the war. He criticizes Heisenberg's S-matrix theory and discusses Ma's work on it.

Pauli discusses on his work on unipolar induction and on his reactions to Dirac's theory of the single magnetic pole.