1. : Heterocyclic Compounds. Wiley, New York 1957, Bd. 5, S. 45f.
2. : The Pyrimidines. Interscience, New York 1962, S. 59f.
3. : Heterocyclic Compounds. Wiley, New York 1957, Bd. 6, S. 325 f.
4. u. in : The Chemistry of the Cyano Group. Interscience, London 1970, S. 341 f.