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Gerking, Shelby Delos, 1918-
Minneapolis, Minn. : Burgess Pub. co., [1963]

Natural history of plants and animals

Olson, A. C. (Andrew Clarence), 1917-
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Patterns and experiments in developmental biology

Johnson, Leland G.
Dubuque, Iowa : Brown, [c1973]

Photographic study guides for modern biology

Berger, Charles, 1940-
Chicago : Educational Methods, [1968]

The science of biology.

Weisz, Paul B., 1921-
New York : McGraw-Hill, [1963]
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Studying natural history in the laboratory.

Stockton, William D.
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