1. : Introduction to Ligand Field Theory, McGraw-Hill New York 1962.
2. : Introduction to Ligand Fields, Interscience, New York 1966.
3. : Introduction to Magnetochemistry, Academic Press, London 1968.
4. : Basic Principles of Ligand Field Theory, Wiley-Interscience, London 1969.
5. : Structure Electronique des Eléments de Trnsition, Presses Universitaries de France, Paris 1977.