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Please read BHL's Acknowledgment of Harmful Content
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  1. Type: Article
    In: Lasca leaves
    Volume: 19
    Date: 1969
    Page Range: 26
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
    Subjects: California Arboretum Foundation  Haagen-Smit, A. J. (Arie Jan), 1900-1977  Hetherington, Ernest E