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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Tankard, Judith B. - Jorgensen, Neil
    Type: Article
    In: Arnoldia
    Volume: 52
    Issue: 2
    Date: 1992
    Page Range: 46--48
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  2. By: Jorgensen, Neil
    Type: Article
    In: Arnoldia
    Volume: 52
    Issue: 1
    Date: 1992
    Page Range: 34--35
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  3. By: Jorgensen, Neil
    Type: Article
    In: Arnoldia
    Volume: 51
    Issue: 1
    Date: 1991
    Page Range: 38--39
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University