Pauli replies on a question about the energy-momentum tensor.

Pauli remarks on Fierz' representation of the rotatory groups, on the relativistic energy-momentum tensor and on Bohm's and Einstein's conception of quantum physics.

Pauli asks a question about the significance of certain form factors in C Bloch's theory.

Pauli writes on a letter by Møller (Copenhagen) about the interpretation of C Bloch's results.

Pauli gives further comments on Fierz's letter, in particular a criticism of his "expectation value of entropy".

Pauli writes on the subject of a lecture he is going to deliver. He makes more remarks about Pais' work.

Pauli sends some comments and calculations on the representations of the Lorentz group to the work of Fierz and of Gelfant.

Pauli writes of his reading of the paper by Lee published in: Physical review, 95, and his correspondence about it with Källén. As appendix he includes a quotation from Max Abraham on a doctoral student.