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

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".

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

Pauli refers to the discussion between Symanzik and Källén.