1. Anfinsen, C. Molecular Basis of Evolution (John Wiley & Sons, 1959). This is a prescient early attempt by a Nobel-prize-winning biochemist to consider how chemistry might shape protein evolution.
2. Florkin, M. Biochemical Evolution (Academic Press, 1949).
3. Zuckerkandl, E. & Pauling, L. Molecules as documents of evolutionary history. J. Theor. Biol. 8, 357–366 (1965).
4. Zuckerkandl, E. & Pauling, L. in Evolving Genes and Proteins (Bryson, 1965). Two chemists defend the potential contributions of biochemistry to evolutionary knowledge at a 1964 conference that brought molecular biologists and classical evolutionary biologists together.
5. Pauling, L. & Zuckerkandl, E. Chemical paleogenetics: molecular 'restoration studies' of extinct forms of life. Acta Chem. Scand. 17, S9–S16 (1963).