The mosaic disease of tobacco / by H.A. Allard.
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TextSeries: Bulletin of the U.S. Department of Agriculture ; no. 40Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1914.Description: 33 p., 7 p. of plates ; 23 cmSubject(s): LOC classification: - S21 .A7 vol. 40
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Contribution from the Bureau of Plant Industry.
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