[Footnotes]

[Footnotes]
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Address before the Annual Convention of THE NATIONAL ASSOCIATION OF BIOLOGY TEACH- ERS in conjunction with THE AMERICAN ASSO- CIATION FOR THE ADVANCEMENT OF SCIENCE, St. Louis, Mo., March 30, 1946
Annual Convention of THE NATIONAL ASSOCIATION OF BIOLOGY TEACHERS in conjunction with THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE, St. Louis, Mo., March 30
1946
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