Van Nostrand's Scientific Encyclopedia Ref. Q 121 V3 2002
American Heritage Science Dictionary Ref. Q 123 A5178 2005
Oxford Dictionary of Biology 5th ed. Ref. QH 302.5 D54 2004
Encyclopedia of Bioethics 3rd ed. Ref. QH 332 E52 2004
Encyclopedia of Evolution Ref. QH 360.2 E42 2002
Encyclopedia of Human Evolution and Prehistory Ref. GN 281 E53 2000
Dictionary of Genetics 7th ed. Ref. QH 427 K55 2006
Oxford Dictionary of Ecology Ref. QH 540.4 C66 2005
Plant Identification Terminology: An Illustrated Glossary Ref. QK 9 H37 1994
Grzimek's Animal Life Encyclopedia Ref. QL 3 G7813 1974
Oxford Dictionary of Zoology Ref. QL 9 C66 2003
Oxford Companion to Animal Behaviour Ref. QL 751 O8 1981
Encyclopedia of Human Biology Ref. QP 11 E53 1991
Oxford Dictionary of Biochemistry and Molecular Biology Ref. QP 512 D94 2006