913 resultados para AK22-1928
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Bibliography: p. 36-38.
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Includes index.
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"February, 1928."
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"July, 1929."
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Stephen G. Porter, chairman.
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"United States Department of Agriculture in cooperation with the South Carolina Agricultural Experiment Station."
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Stephen G. Porter, chairman.
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William F. Kopp, chairman.
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Fred A. Britten, chairman.