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  1. By: Wilson, Woodrow,
    Publication info: Washington,Govt. print. off.,1918
    Holding Institution: Library of Congress
  2. By: Wilson, Woodrow, - Lansing, Robert, - Spring Rice, Cecil - United States. Office of Experiment Stations.
    Publication info: [Washington] :U.S. Dept. of Agriculture, Bureau of Biological Survey,1933.
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature