Pauli talks About his return from California.

Pauli repays a loan.

Pauli hopes that Kronig will accept the post of Pauli's assistant in Zürich.

Pauli writes Kronig that his appointment runs from May 1st until the end of the summer term.

Pauli and Scherrer invite Kronig to a conference in Zürich on X-ray physics.

Pauli hopes that Kronig and Kramers will come to the conference.

Pauli asks for clarification of beta-decay Hamiltonian.

Pauli accepts Kronig's invitation.

Pauli has heard that Landau is enthusiastic about Heisenberg's and his own attempt to incorporate the isogroup into the spinor model with indefinite metric. He enumerates several difficulties of the theory which are not yet solved.