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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Elsworth, R. H. (Ralph Henry), - United States. Bureau of Agricultural Economics. - United States. Department of Agriculture.
    Publication info: Washington, D.C, G.P.O, 1925
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Elsworth, R. H. (Ralph Henry),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1924
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library