1. Termaufspaltung in Kristallen
2. Introduction to Ligand Field Theory (McGraw-Hill, New York, 1962).
3. and Ligand Field Theory and its Application, in Japanese (Sy?kab?, Tokyo, 1969).
4. �ber die Energie des He-Atoms und des positiven H2-Ions im Normalzustande
5. in Advances in Quantum Chemistry, Vol. 3 (Academic Press, New York, 1967), p. 25.