1. R. A. Jones and G. P.Bean, The Chemistry of Pyrroles, Academic Press, London, 1977, vol. 34
2. A. Gossauer , in Methoden der Organichen Chemie (Houben-Weyl), Hetarene I, Teil 1 Pyrrole, Georg Thieme Verlag, Stuttgart, New York, 1994, pp. 556–798
3. G. W. Gribble , in Comprehensive Heterocyclic Chemistry II, ed. A. R. Katritzky, C. W. Rees and E. F. V. Scriven, Pergamon Press, London, 1996, vol. 2, ch. 4
4. Biological formation of pyrroles: Nature's logic and enzymatic machinery
5. Multicomponent reactions for the synthesis of pyrroles