1. S.L. Altmann and E.J. Bowen, Charles Alfred Coulson, 1910?1974: Elected F.R.S. 1950, Biographical Memoires of Fellows of The Royal Society 20(1974)75.
2. R. McWeeny,Coulson, the Man and the Scientist, D.M. Bishop, University of Ottawa (1974).
3. C.A. Coulson, B. O'Leary and R.B. Mallion,Hückel Theory for Organic Chemists (Academic Press, London, 1978).
4. A.D. Walsh, J. Chem. Soc. (1953) 2260?2331.
5. C.A. Coulson, Ch. 6 ofPhysical Chemistry: An Advanced Treatise (Vol. V:Valency), ed. H. Eyring, D. Henderson and W. Jost (Academic Press, New York, 1970) p. 315.