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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Davidson, Jehiel,
    Publication info: Washington, D.C, 1915
    Holding Institution: Library of Congress
    Subjects: Cumarin  Soils  Vanillin  Wheat  
  2. By: Skinner, J. J. (Joshua John),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1915
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Toxicity testing  Vanillin