Pauli writes on second thoughts about Fierz's results which for the case aT>>1 may be correct.

Pauli replies to Fokker's question and thinks it worthwhile to prepare an edition of Ehrenfest's collected work.

Pauli expresses great interest in Frauenfelder's experimental results. He formulates three independent questions concerning parity violation to which an experimental answer can be found in principle.

Pauli asks how Frauenfelder will test the exclusion principle for positrons.

Pauli is against the interpretation given by Princeton physicists to certain Beta-decay experiments and against the two-component theory.

Pauli refers to Preston's paper in the Canadian Journal of Physics which supports Pauli's criticism expressed in the last letter.

Pauli expresses doubts as to the correctness of the two-component theory.

Pauli replies to an invitation to come to Urbana.

Pauli mentions his recent experiments in Heidelberg von Stek about polarization of Beta-electrons of RaE.

Pauli writes about von Steck's results in Heidelberg.