1. Aromaticity as a Cornerstone of Heterocyclic Chemistry
2. Five-membered heteroaromatic rings as intermediates in organic synthesis
3. B. A. Keay and P. W.Dibble, in Comprehensive Heterocyclic Chemistry II, ed. A. R. Katrizky, C. W. Rees, E. F. Schriven and C. W. Bird, Pergamon, Oxford, U.K., 1996, vol. 2, pp. 395–436
4. G. W. H. Cheeseman and C. W.Bird, in Comprehensive Heterocyclic Chemistry: The Structure, Reactions, Synthesis and Uses of Heterocyclic Compounds, Pergamon Press, Oxford, New York, 1984, vol. 4
5. Aromatic heterocycles as intermediates in natural product synthesis