Pauli writes about a long letter he has sent to Schwinger, Wentzel and Bethe on Vacuum polarization and photon self-energy. He would be interested in Pais, Oppenheimer and Dyson's opinion.

Pauli makes more remarks about Schwinger's theory.

Pauli congratulates Einstein on his 70th birthday. He remembers gratefully Einstein's address in Princeton 1945 after Pauli received the Nobel Prize. He also writes of his forthcoming contribution to the Einstein volume in the Living Philosophers".

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

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.

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 is waiting for news concerning Bhabha's possible arrival during this semester. General questions concerning Pauli's trip to India.

Pauli asks if Walden has more information on his claim that Mendeleev discovered the periodic table through dreams.

Pauli writes that the origins of $\varepsilon

Pauli thanks Wightman and Michel for the study of his paper. He remarks on a priority question regarding Schwinger's paper of 1951. He writes about properties of isotopic spin spaces. He writes about "Schwinger's school" and "Wigner's school".