[Footnotes]

[Footnotes]
*
Presented at the annual meeting of the Central Association of Science and Mathematics Teachers, Chicago, Illinois, November 28, 1952, as a part of the workshop in conservation co-sponsored by the Cen- tral Association and NABT.
annual meeting of the Central Association of Science and Mathematics Teachers, Chicago, Illinois, November 28, 1952
2
Leopold, Aldo: A Biotic View of the Land. Jour- nal of Forestry, No. 37, 1939, pp. 727-730
Leopold
37
727
Journal of Forestry
1939
3
Mills, Herbert R: Death in the Florida Marshes. Audubon Magazine, September-October, 1952, Vol. 54, No. 5, pp. 285-291.
Mills
5
285
54
Audubon Magazine
1952
4
UNESCO: Proceedings and Papers, International Technical Conference on the Protection of Nature. Lake Success, New York, 1949. pp. ix.
ix
UNESCO: Proceedings and Papers, International Technical Conference on the Protection of Nature. Lake Success, New York, 1949
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