McGill's Survey of Science:  Life Science Series - 570 M1945

Encyclopedia of Life Sciences - 570.3 E56  2002

Encyclopedia of Microbiology - 579.03 E565  2000

Encyclopedia of Environmental Microbiology - 579.1703 B624e  2002

Encyclopedia of Environmental Biology - 579.03 E566

Encyclopedia of Human Biology - 612.003 E56