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Martin, Anthony J. (2006). Introduction to the study of dinosaurs. Malden, MA: Blackwell Pub. ISBN1-4051-3413-5. OCLC61130756.
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Brinkman 2010, p. 87. Brinkman, Paul D. (2010). The second Jurassic dinosaur rush : museums and paleontology in America at the turn of the twentieth century. Chicago: University of Chicago Press. ISBN978-0-226-07473-3. OCLC671811941.