1. THE ARRANGEMENT OF ELECTRONS IN ATOMS AND MOLECULES.
2. ISOMORPHISM, ISOSTERISM AND COVALENCE.
3. In diesem Aufsatz steht „Cluster“ für „a molecule possessing at least a tricyclic structure“: Cluster Molecules of the p-Block Elements, Oxford University Press, Oxford, 1994.
4. Structural and Bonding Patterns in Cluster Chemistry
5. Structural Inorganic Chemistry, 5. Aufl., Clarendon, Oxford, 1984, S. 715.