Pauli sends greetings from Sicily. He makes remarks on Plato.

Pauli sends greetings from Les Houches.

Pauli replies to a letter written by Fierz. He makes further remarks on Neoplatonists, on the Renaissance metaphysicists and on automorphism.

Remarks on the classical H-theorem on critical recapitualtion of ch. VII, 79-82 of Boltzmann's "Vorlesung über Gastheorie", vol. II.

Pauli comments on two treatises by Huygens, the "Traité de la lumière" and the "Discours de la cause de la pesanteur". He also writes on Descartes' theory of vortices.

One of three letter written by Pauli to the "Comité Louis de Broglie" which contain technical details concerning Pauli's contribution to the anniversary volume for Louis de Broglie.

Pauli gives further comments on Bohm's ideas, in particular on the hidden parameters.