1. Burns, G. W.: 1972, The Science of Genetics, 2nd ed., Macmillan, New York.
2. Dobzhansky, Th.: 1951, Genetics and the Origin of Species, 3rd ed. 1951, Columbia University Press, New York.
3. Dobzhansky, Th.: 1970, Genetics of the Evolutionary Process, Columbia, New York.
4. Hull, D. L.: 1972, ‘Reduction in Genetics — Biology or Philosophy?’, Phil. Sci. 39, 491–99.
5. Hull, D. L.: 1973, ‘Reduction in Genetics — Doing the Impossible’, in P. Suppes et al. (eds.), Logic, Methodology and Philosophy of Science IV, 619–35.