982 resultados para United States. Office of Educational Research and Improvement.
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Mode of access: Internet.
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"Issued November, 1932."
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Supplemented by Miscellaneous publications no. 9 and 153, by Mabel G. Hunt.
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"Enforcement of Food and Drugs Act, Tea Act, Import Milk Act, Insecticide Act, Caustic Poison Act, Naval Stores Act."
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Literature cited: p. 24-26.
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"In cooperation with the agricultural experiment stations of Alabama, Arizona, California, Idaho, Indiana, Iowa, Kansas, Louisiana, Maryland, Minnesota, Mississippi, Montana, Nebraska, New York (Cornell), North Carolina, Ohio, Oregon, Pennsylvania, Washington, Wisconsin, and Wyoming."
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Cover title.
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Cover title.
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Some vols. accompanied by supplements
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Cover title.
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Arthur H. Vandenberg, chairman.
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"References": leaves 26-27.
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Mode of access: Internet.
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"B-202774"--Prelim. p.
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Mode of access: Internet.