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  1. The Effect of Treating the Virus of Tobacco Mosaic With the Juices of Various Plants
    By: Duggar, B M - Armstrong, Joanne Karrer
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 12
    Date: 1925
    Page Range: 359--366
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  2. Indications Respecting the Nature of the Infective Particles in the Mosaic Disease of Tobacco
    By: Duggar, B M - Armstrong, Joanne Karrer
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 10
    Date: 1923
    Page Range: 191--212
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