Books by Thomas M. Butler:
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Butler, Thomas M., contrib.: Enrichment for Nonhuman Primates (6 booklet series; 2005), ed. by National Institutes of Health Office of Laboratory Animal Welfare, also contrib. by A. Michele Schuler, Jeffrey A. French, Dorothy M. Fragaszy, Jeffrey E. Fite, Linda Brent, Kathryn A. L. Bayne, Kate Baker, and Christian R. Abee (page images at HathiTrust)
Additional books by Thomas M. Butler in the extended shelves:
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Butler, Thomas M.: Baboons ([Dept. of Health and Human Services, National Institutes of Health, Office of Laboratory Animal Welfare] ;, 2005), also by Linda Brent and National Institutes of Health Office of Laboratory Animal Welfare (page images at HathiTrust)- Butler, Thomas M.: The chimpanzee (USAF School of Aerospace Medicine, Aerospace Medical Division, 1973) (page images at HathiTrust)
Find more by Thomas M. Butler at your library, or elsewhere.