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

Pauli sends a quotation from P Bergmann's book on relativity, concerning gravitational waves. He writes on the roots of mathematics in the Unconscious, with special reference to the Pythagoreans.

Pauli makes a commentary on, and an addition to, Fierz's lecture in the psychological club. He writes on: 1) Alchemy versus Platonism, God as root of both good and evil 2) the mystical element in Plotinus 3) the concept of "privation" in ancient philosophy of nature. Matter as the manifestation of evil

Pauli writes on physics and psyche, on a conversation with Jung on Albertus Magnus and Regiomontanus and the latter's interest in magic. He explains Jung's reaction to the fact that Cicero translated "atom" by "individuum".

Pauli describes a dream which he had shortly after his return from the USA.

Pauli deals in this letter with various subjects in the philosophy of religion, on James Hogg's "The private memoirs and confessions of a justified sinner" (1984) and on the "Theoogia Germanica".

Pauli sends more remarks about "psychophysics" with references to the ideas of Scotus Erigena, and to a text of the 17th century mentioned in Jung's "Psychology and alchemy". He also writes on the relations between alchemy and Platonism and on Newton's concept of space.

Pauli writes on a reply he made to a letter by W Scherrer.