1. Ayala, F.: 1968, ‘Biology as an Autonomous Science’, American Scientist 56(3), 207–221.
2. Beatty, J.: 1981, ‘What's Wrong with the Received View of Evolutionary Theory?’ in P. Asquith and R. Giere (eds.), PSA 1980, Vol. 2, Philosophy of Science Association, East Lansing, Mich., pp. 397–426.
3. Cooper, G. ‘Generalizations in Ecology: A Philosophical Taxonomy’, Biology and Philosophy, (forthcoming).
4. Gould, S.: 1970, ‘Dollo on Dollo's Law: Irreversibility and the Status of Evolutionary Laws’, Journal of the History of Biology 3, 189–212.
5. Hull, D.: 1974, The Philosophy of Biological Science, Prentice-Hall, Englewood Cliffs, New Jersey.