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  1. A biographical notice of George W. Tryon, Jr., conservator of the Conchological Section of the Academy of Natural Sciences of Philadelphia.
    By: Ruschenberger, W. S. W.
    Publication info: [Philadelphia]H. Binder, printer,1888.
    Contributed by: University of California Libraries (archive.org)
    Subjects: 1838-1888  Bibliography  Mollusks  Tryon, George Washington,  
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  2. Correspondence : Brown (Alfred) and Engelmann (George), 1873-1874.
    By: Brown, Alfred.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (George Washington),  1809-1884  1838-1888  Brown, Alfred  Correspondence  Engelmann, George,  Letters  Monograph of the terrestrial Mollusca of the Unite  Tryon, George W  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  3. Correspondence : Meehan (Thomas) and Engelmann (George), 1859-1883.
    By: Meehan, Thomas,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (1827-1901)  (Aubrey Henry)  (Charles Eastwick)  (George Washington),  (Joseph Hinson),  (Thomas Conrad),  (William St. Julian)  1786-1859  1799-1865  1800-1889  1806-1893  1809-1884  1810-1888  1811-1875  1812-1878  1813-1887  1814-1875  1815-1891  1815-1895  1816-1893  1817-1893  1820-1883  1820-1900  1822-1901  1824-1909  1826-1901  1829-1903  1832-1904  1838-1888  1839-1922  1840-1913  Bark  Beecher, Henry Ward,  Breeding  Burk, Issac,  Candolle, Alphonse de,  Correspondence  Ecology  Embryos  Engelmann, George,  Fertilization of plants  Gramineae  Gray, Asa,  Growth  Growth (Plants)  Hoopes, Josiah,  Lapham, Increase Allen,  Letterman, George W  Letters  Lindley, John,  Mazyck, W. St. J  Meehan, Thomas,  Mellichamp, J. H  Murray, Andrew,  Nuttall, Thomas,  Parker, Charles F  Pinaceae  Pinus  Plants  Plants, Flowering of  Porter, Thomas C  Prang, Louis,  Redfield, John Howard,  Rothrock, Joseph T.,  Schott, Arthur,  Shaw, Henry,  Smith, Aubrey H  Smith, Charles E  Spruce, Richard,  Trees  Tryon, George W  Variation  Wood  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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