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  1. Cuckoos and shrikes in relation to agriculture.
    By: Beal, F. E. L. - Judd, Sylvester Dwight,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Biological Survey,1898.
    Contributed by: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
    View Book
  2. The relation of sparrows to agriculture /
    By: Judd, Sylvester Dwight,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Biological Survey,1901.
    Contributed by: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
    View Book