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S. Jay Gould, ?Presentation of the Schuchert award of the Paleontological Society fo Niles Eldredge?, Journal of Paleontology, vol. 54, pp. 641-642, 1980.

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S. Jay Gould, ?Gulliver's further travels: the necessity and difficulty of a hierarchical theory of selection?, Philosophical Transactions of the Royal Society of London Series B-Biological Sciences, vol. 353, pp. 307-314, 1998.

S. Jay Gould, The structure of evolutionary theory. Cambridge, Massachusetts, and London, England: The Belknap Press of Harvard University Press, 2002, p. 1433.

S. Jay Gould and C. Calloway, B., ?Clams and brachiopods - ships that pass in the night?, Paleobiology, vol. 6, pp. 383-396, 1980.

N.  Eldredge and Gould, S. Jay, ?Punctuated equilibria: an alternative to phyletic gradualism?, in Models in paleobiology, T. J. M.  Schopf, Ed. San Francisco: Freeman, Cooper, 1972, pp. 82-115.