Pauli thanks Wightman and Michel for the study of his paper. He remarks on a priority question regarding Schwinger's paper of 1951. He writes about properties of isotopic spin spaces. He writes about "Schwinger's school" and "Wigner's school".

Pauli comments on a paper by Weyl published in Z. Phys. about quantum physics and group theory.

Pauli thanks Weyl for his book on the philosophy of mathematics and natural science. He makes two critical remarks: 1) It is not correct to connect Leibniz with the principle of exclusion. 2) There is no asymmetry of the past-future relation in spontaneous radiation processes, but the concept of spontaneity needs a better definition.

Pauli comments on a paper by Weyl published in the April issue of Proc. Nat. Acad. Sci. He writes about Lagrange's function. He writes about quantization of field equations. He asks Weyl about his future plans.

Pauli comments Wentzel's paper.

Pauli expresses doubts about Wentzel's results concerning higher relativity corrections for the H-atom. He makes remarks about the mathematical method used by Wentzel.

Pauli comments on a letter to Schwinger. He accepts his results, but rejects some of his proofs and arguments.

Pauli writes about the probability interpretation of wave-mechanical quantities. He comments on Fermi statistics for degenerate gases. He asks for clarification on Wentzel's method for the solution of Schrödinger's equation. He writes about an application of quantum mechanics to X-ray absorption. He writes about a meeting of physicists in Hamburg.

Pauli comments on Wentzel's paper which deals with the compton effect for weakly bound electron. He writes about his own work.

Pauli writes about possible candidates for a professorship in Leipzig. He writes more about Gordon's work on the spacial distribution of recoil electrons according to Schrödinger's wave mechanics.