Pauli makes two additions to the last letter. He thinks that Jordan's model with gravitational constant does not differ in principle from models with constant k.

Unfinished and undated draft of Pauli's letter sent the 13-7-1953 in which Pauli thanks de Broglie for sending him his paper "La physique quantique restera-t-elle indéterministe ?" and makes some critical comments on it.

Pauli reports on progress in understanding a remark disscussed in Leiden.

Jordan replies to Pauli's letter of the 17 July 1953. He gives certain results of the calculations of Schücking, which are based on Jordan's cosmological equation.

About the English translation of W. Pauli's essay 'Der Einfluss archetypischer Vorstellungen auf die Bildung Naturwissenschaftlicher Theorien bei Kepler'. W. Pauli entitles E. Panofsky to choose a translator in Princeton.

Pauli makes some remarks about his work on meson-fields.

Pauli writes about thermodynamical irreversibility and quantum theory. He makes remarks about Pais' work and his W-space, about quantum field theory and about the analogy between the electromagnetic eigen-field of an electron and the gravitational eigen-field of a photon.

Pauli asks some questions about the H-theorem in connection with a letter written by Panofksy concerning the Renaissance philosophers.

This is a letter of condolence on the death of Fierz's father.