dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Willis, H. H. (Horace Harold),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1927
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Willis, H. H. (Horace Harold), - United States. Bureau of Agricultural Economics.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1923
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library