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	1.	No cover image available The Principles of classification and a classification of mammals by Simpson, George Gaylord [author.] Series: Bulletin of the American Museum of Natural History ; vol. 85 Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York: American Museum of Natural History, 1945 Availability: Items available for loan: NIH Library (1)Call number: QL708 sim 1945. Place hold Add to cart (remove)
	2.	No cover image available Quantitative zoology by Simpson, George Gaylord [author.] Lewontin, Richard C Roe, Anne Edition: Rev. ed. Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York: Harcourt, Brace & World, 1960 Availability: Items available for loan: NIH Library (1)Call number: QA276 sim 1960. Place hold Add to cart (remove)
	3.	No cover image available Basic statistics : A textbook for the first course by Simpson, George [author.] Kafka, Fritz Edition: Rev. ed. Material type: Text; Format: print ; Literary form: Not fiction Publisher: New York: W. W. Norton & Co., 1957 Availability: Items available for loan: NIH Library (1)Call number: QA276 sim 1957. Place hold Add to cart (remove)

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