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  1. By: Hanna, G. Dallas,
    Publication info: Eugene, The University, [1922]
    Holding Institution: University of California Libraries
  1. By: Hanna, G. Dallas,
    Type: Article
    In: The University of Kansas science bulletin
    Volume: 20
    Issue: 21
    Date: 1932-05-01
    Page Range: 369--395
    Publication Info: [Lawrence], University of Kansas, [1926-1996]