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  1. By: Weeks, Edward
    Type: Article
    In: Arnoldia
    Volume: 27
    Issue: 7
    Date: 1967
    Page Range: 57--60
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  2. By: Weeks, Edward
    Type: Article
    In: Arnoldia
    Volume: 48
    Issue: 3
    Date: 1988
    Page Range: 6--9
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University