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  1. By: Prantl, Karl,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: 1809-1884  1849-1893  Botanists  Coniferae  Correspondence  Defoliation  Diseases and pests  Engelmann, George,  Friedrich-Wilhelms-Universität Berlin  Letters  Needles (Botany)  Prantl, Karl,  Scientists  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden