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  1. By: Horr, Asa,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: 1797-1878  1807-1873  1809-1884  1817-1896  Agassiz, Louis,  Botanical specimens  Collection and preservation  Correspondence  Engelmann, George,  Henry, Joseph,  Horr, Asa,  Letters  Meteorology  Observations  Zoological specimens  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden