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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ambler, Joseph Alfred,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1926
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Coloring matter in food  
  2. By: Evenson, O. L. (Oscar Ludvig), - Herrick, H. T. (Horace Terhune),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1930
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Coloring matter in food  
  3. By: Hesse, Bernhard Conrad.
    Publication info: Washington, Govt. print. off, 1912
    Holding Institution: University of California Libraries
    Subjects: Coal-tar colors  Coloring matter in food  
  4. By: Wiley, Harvey Washington,
    Publication info: Washington, Govt. Print Off, 1904
    Holding Institution: University of California Libraries
    Subjects: Borax  Boric acid  Coloring matter in food  Food preservatives  Physiological effect  
  5. By: Mathewson, W. E. (Walter Eldridge),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1917
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Coloring matter in food