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 writes mostly on personal matters.

Pauli refers to questions regarding the equivalence of pseudovector coupling.

Pauli writes about his trip to Princeton. He makes remarks on H-theorem and quantum statistics.

Pauli writes about CERN's project. He comments on papers on the "casual interpretation" of quantum mechanics, particularly by Bohm.

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

Pauli writes about his work on the English edition of his relativity article. He does not think much of anything that has been writen on this subject after 1921 including Einstein's paper which is purely mathematical.

Pauli writes about a thought experiment on statistical mechanics, using molecular beams for separation of different stationary states of molecules.

Pauli writes about a thermodynamical problem. He gives calculations of entropy change of a gas in a box with due regard to quantum statistics.