Sort By:
  1. Fungous diseases of plants,
    By: Duggar, Benjamin Minge,
    Publication info: Boston,Ginn and company[c1909]
    Contributed by: Library of Congress
    View Book
  2. The principles of mushroom growing and mushroom spawn making.
    By: Duggar, Benjamin Minge,
    Publication info: Washington,Gov't print. off.,1905.
    Contributed by: Library of Congress
    View Book