1. ;; The Book of the Unicorn; Paper Tiger: Kerhonkson, NY, 2002.
2. Introduction: DelocalizationPi and Sigma
3. In The Autonomy of Chemistry in Relationship to the Other Natural Sciences; 3rd Erlenmeyer-Colloquy for the Philosophy of Chemistry at the University of Marburg; ; , Eds.; Könighausen & Neumann: Würzburg, 1998; p. 103.
4. THE ATOM AND THE MOLECULE.
5. (b) Valence and the Structure of Atoms and Molecules; American Chemical Society Monograph Series, New York, 1923.