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G. W. Jeffers
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Journal Articles
The American Biology Teacher (1957) 19 (2): 39–42.
Published: 01 February 1957
Journal Articles
The American Biology Teacher (1944) 7 (3): 65–68.
Published: 01 December 1944
Journal Articles
The American Biology Teacher (1944) 6 (8): 187.
Published: 01 May 1944
Journal Articles
The American Biology Teacher (1944) 6 (5): 110.
Published: 01 February 1944
Journal Articles
The American Biology Teacher (1943) 6 (3): 70–71.
Published: 01 December 1943
Journal Articles
The American Biology Teacher (1942) 4 (5): 159.
Published: 01 February 1942
Journal Articles
The American Biology Teacher (1941) 3 (6): 200–201.
Published: 01 March 1941
Journal Articles
The American Biology Teacher (1940) 2 (8): 217–218.
Published: 01 May 1940