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  1. Catalogue of West-India shells in the collection of Dr. C.M. Poulsen.
    By: Poulsen, Christian Marinus, - Mørch, O. L. A.
    Publication info: Copenhagen :Printed by B. Luno,1878.
    Contributed by: Smithsonian Libraries
    Subjects: 1818-1885  Caribbean Area  Catalogs  Collection and preservation  Mollusks  Poulsen, Christian Marinus,  Shells  
    BHL Collections: Smithsonian Libraries
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  2. Correspondence : Poulsen (Christian) and Engelmann (George), 1880.
    By: Poulsen, C. M.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Christian Marinus),  1809-1884  1818-1885  Botanical specimens  Coniferae  Correspondence  Engelmann, George,  Europe, Northern  Greenland  Letters  Plants  Poulsen, C. M  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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