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  1. Correspondence : Lemmon (John) and Engelmann (George), 1875-1883.
    By: Lemmon, J. G.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Albert),  (Carl Robert),  (Charles Christopher),  (Cyrus Guernsey),  (Henry Nicholas),  (John Frederick),  (John Gill),  (Michael Schuck),  (Sara Allen Plummer),  (William George Washington),  (William Greenwood),  1809-1884  1810-1881  1810-1888  1813-1873  1813-1887  1815-1874  1817-1911  1822-1893  1823-1890  1825-1911  1826-1892  1828-1894  1828-1906  1828-1910  1829-1911  1830-1912  1831-1897  1832-1908  1833-1895  1836-1923  1838-1911  1838-1914  1843-1915  Abies  Arceuthobium  Arizona  Bebb, M. S  Biography  Bolander, Henry N  Botanical specimens  Brewer, William Henry,  California, Southern  Case, Francis M  Chiricahua Indians  Collectors and collecting  Compositae  Coniferae  Correspondence  Cupressaceae  Cupressus  Description and travel  Ecology  Engelmann, George,  Fagaceae  Ford, Henry Chapman,  Fort Grant (Ariz.)  Gentiana  Gentianaceae  Gordon, Alexander,  Gray, Asa,  Greene, Edward Lee,  Harford, W. G. W  Hooker, Joseph Dalton,  Kellogg, A  Lemmon, J. G  Lemmon, S. A. P  Letters  Loranthaceae  Mexico, North  Morse, John F  Muir, John,  Osten-Sacken, C. R  Palmer,
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  2. Correspondence : Osten-Sacken (Carl) and Engelmann (George), 1876.
    By: Osten-Sacken, C. R.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Carl Robert),  1809-1884  1828-1906  Correspondence  Engelmann, George,  Fagaceae  Letters  Osten-Sacken, C. R  Quercus  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  3. Record of my life-work in entomology / [by] C. R. Osten-Sacken.
    By: Osten-Sacken, C. R.
    Publication info: Cambridge, Mass. : University Press; John Wilson and Son,1903-04.
    Contributed by: Smithsonian Libraries
    Subjects: (Carl Robert),  1828-1906  Bibliography  Diptera  Insects  Osten-Sacken, C. R  
    BHL Collections: Smithsonian Libraries
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