Lecture notes taken by Josef Jauch, while a student at the ETH (Eidgenössische Technische Hochschule) Zürich. The original documents are part of the Jauch Archive, held at the Department of Theoretical Physics, University of Geneva, and are reproduced by permission of the University.

Statistical mechanics.

Notes on superconductivity.

Statistical mechanics, Florence 1949.

Letter on "Elementary particles and the principle of reciprocity".

Article on the statistical mechanical theory of irreversible processes.

Distribution law and isothermal law.

Quantized Space-Time; Lorentz invariant discrete space-time.

This manuscript deals with some ambiguities in the formalism of the field theory.

Read at the Symposium on the theory of Elementary Particles at Kyoto, Japan, May 1948. Vacuum polarization.