Frauenfelder hopes to meet Pauli in Zürich. He gives some comments on his experiments.

Møller thanks Pauli for his letters of 24. and 28.6.52.

Fubini explains how to obtain several formulae in his theory.

Gagnebin replies to Pauli's question on Lamarck. He gives a detailed description of Lamarck's ideas which are essentially rationalistic.

Gårding writes on points in his enclosed thesis.

Tonnelat and George ask Pauli on behalf of a committee for a contribution to a volume in honour of De Broglie's 60th birthday in 1952.

About the English translation of W. Pauli's essay 'Der Einfluss archetypischer Vorstellungen auf die Bildung Naturwissenschaftlicher Theorien bei Kepler': search for a translator and publication term.

About the English translation of W. Pauli's essay 'Der Einfluss archetypischer Vorstellungen auf die Bildung Naturwissenschaftlicher Theorien bei Kepler'. V. Gillmor informs that W. McGuire is responsible for the copy-editing and preparation of the manuscript for the press.

Glaser writes about his attempts together with Froissart to deal with the "dipole ghosts" in a generalization of Heisenberg's investigations of the Lee model.