1. Amundsen, R. (forthcoming), ‘The Traits and Tribulations of Selectionist Explanations’, in: Issues in Evolutionary Epistemology (State University of New York Press)
2. Unjustified Variation and Selective Retention in Scientific Discovery;Campbell,1974
3. Evolutionary Epistemology;Campbell,1974
4. Gains from Serendipity;Cannon,1961
5. Evolution;Dobzhansky,1977