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  1. Canker of apple trees / by Heinrich Hasselbring.
    By: Hasselbring, Heinrich,
    Publication info: Urbana, [Ill.] :University of Illinois Agricultural Experiment Station,1902.
    Contributed by: University of Illinois Urbana Champaign
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  2. Studies of American fungi. Mushrooms, edible, poisonous, etc.
    By: Atkinson, George Francis, - Clark, Judson Freeman, - Hasselbring, Heinrich, - Rathbun, F. R. - Rorer, Sarah Tyson Heston,
    Publication info: Ithaca,Andrus & Church,1900.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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