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  1. Development and activities of roots of crop plants; a study in crop ecology,
    By: Weaver, John E. (John Ernest), - Crist, John W., - Jean, Frank Covert,
    Publication info: Washington,Carnegie Institution of Washington,1922.
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
    View Book
  2. The ecological relations of roots,
    By: Weaver, John E. (John Ernest),
    Publication info: Washington,Carnegie institution of Washington,1919.
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
    View Book
  3. A study of the vegetation of southeastern Washington and adjacent Idaho ...
    By: Weaver, John E. (John Ernest),
    Publication info: Lincoln, Neb.[1917]
    Holding Institution: University of California Libraries (archive.org)
    View Book