Pauli's letter contains a mathematical calculation that corrects a remark made by Fierz.

Pauli writes about personal matters concerning colleagues and their work. He writes about his work on commutation laws in non-local field theories, and about the difficulties regarding the convergence for Lorentz-invariant form-factors.

Pauli writes about the professorship of physics in Geneva.

Pauli makes two additions to the last letter. He thinks that Jordan's model with gravitational constant does not differ in principle from models with constant k.

Pauli reports on progress in understanding a remark disscussed in Leiden.

Pauli makes some remarks about his work on meson-fields.

Pauli asks some questions about the H-theorem in connection with a letter written by Panofksy concerning the Renaissance philosophers.

This is a letter of condolence on the death of Fierz's father.

Pauli gives technical details about the dates of seminars.

Pauli is working on the w-space of Pais. He asks about progress of Heisenberg's work.