Pauli says that he received a telegram from Cowan and Reiners on the discovery of neutrino.

Pauli makes comments on the Farquhar-Landsberg paper (in: Proc. R. Soc. Lond., A : 239 (1957), pp.134) on statistical mechanics. The letter includes Fierz' views.

Pauli renews their discussion of the H-theorem, as it is formulated by Fierz.

Pauli makes comments on Edmonds' lecture notes. He writes about his possible trip to Copenhagen and Moscow in 1957, and about his Italian holidays.

Pauli writes on some points of discussion for the forthcoming meeting with Fierz in Basel.

Pauli writes about one of the letters he wrote to Weizsäcker (a copy is attached) concerning the "Bohr-exegis", especially on complementarity, and the "unification of opposites". In connection with this, Pauli explains the story of the Danish order of the elephant, which has been given to Bohr.

Pauli replies to Weizsäcker's letter about complementarity. He gives his explanation of Bohr's conception.