Lüders replies to Pauli's letter of 3 Dec as regards the significance of "hermiticity" for his calculations.

Lüders writes about his investigations on the commutation-relations between different fields.

Lüders replies to Pauli's letter of 14 May concerning indefinite metric.

Lüders writes about the connection between the TCP-theorem and the question of spin and statistics.

Lüders writes about Pauli's manuscript on time-reversal. He makes a comparison with Lüders work, in particular the identity of Pauli's "Wigner-transformation" and Lüders "formal time-mirroring".

Lüders thanks Pauli for his letter of 16 June and his offprints on field theories covariant with regard to the Lorentz group.

Lüders thanks Pauli for his comments on his work. He makes some remarks about details of Pauli's manuscript.

Lüders replies to Pauli's letter and makes objections to his remarks on the "gauge-group".

Lüders reports that no exchange relations were overlooked in Pauli's lecture.