Pauli congratulates on the birth of his Uhlenbeck's son. He writes about Bhabha's letter on the cascade theory. He writes about a paper by Dirac on quantum electrodynamics (published in: Proc. Roy. Soc.). He writes about the efforts of the authorities to get him back to Switzerland.

Pauli writes about the work done in Berkeley on meson theory. He writes about his lecture on Cosmic rays theory. He writes about Rooseland's report on the Nazi terror in Norway.

Pauli writes about reports on efforts to find new positive particles. He writes about the situation in Switzerland during last winter and about the situation in Holland. He writes about the preparation of the Bohr-Festschrift.

Pauli thanks Uhlenbeck for the congratulations on his Nobel prize. He writes about the notes of his MIT lectures.

Pauli writes about Mrs. Chang's prospective work in Princeton.

Pauli writes about possible topics of work for Mrs. Chang. He writes about the hopes for lifting of censorship of physics work in the USA. He writes about the possibility of printing the lectures he gave at MIT.

About a report or speech by E. von Kahler on history. Remarks on the concept of history.

Pauli writes about a discussion with Rabi, and about war physics, and says that he is working on the positron theory.

Pauli says he has attended a physicists' meeting in Philadelphia. He writes about new measurements on the meson shower. Weisskopf is invited to Princeton for three weeks at the end of January. Pauli is doubtful about the work of Havas. He sends messages about Klein and Bohr, and makes some remarks about Delbrück.

Settlement of Weisskopf's travel expenses.