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By: Hesse, Bernhard Conrad.Edition:Publication info: Washington, Govt. print. off, 1912Volume:Series:Holding Institution: University of California LibrariesSubjects: Coal-tar colors Coloring matter in foodBHL Collections:
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By: Price, Thomas Malcolm.Edition:Publication info: [Washington, G.P.O.], 1911Volume:Series:Holding Institution: University of Florida, George A. Smathers LibrariesSubjects: Coal-tar colorsBHL Collections: