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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Horsfall, James G. (James Gordon), - Heuberger, John William,
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1942
    Holding Institution: University of Connecticut Libraries
  2. By: Whetzel, Herbert Hice, - Horsfall, James G. (James Gordon), - United States. Office of Mycology and Disease Survey.
    Publication info: [Washington, D.C.], Office of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1930
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library