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  1. By: Darwin, Charles, - Henslow, J. S. (John Stevens),
    Publication info: 1838 November 3
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Animals  Classification  Galapagos Islands  Manuscripts (documents)  Plants
  2. By: Boerhaave, Herman, - Miller, Philip,
    Publication info: 1728
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: History  Manuscripts (documents)  Plants  Science  Sources  Technology
  3. By: Hrdlička, Aleš,‏ - Mason, Otis T
    Publication info: 1902
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Electronic books  Evolution  History  Mammals  Manuscripts (documents)  Origin  Science  Sources  Technology
  4. By: Wallace, Alfred Russel, - Besant, Annie, - Carruthers, William, - Strang, William, - Swinton, John, - Thompson, Silvanus P. (Silvanus Phillips), - Warming, Eugenius,
    Publication info: 1874-1910
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: History  Manuscripts (documents)  Science  Sources  Technology
  5. By: Agassiz, Louis,
    Publication info: 1833-1873
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: History  Manuscripts (documents)  Natural history  Science  Sources  Technology
  6. By: Dawson, John William, Sir, - Huxley, Thomas Henry, - Ramsay, Andrew Crombie, Sir,
    Publication info: 1872-1876
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: History  Manuscripts (documents)  Physical geography  Reptiles  Science  Sources  Technology
  7. By: Forbes, Edward - Buckingham, James Silk, - Lankester, E. Ray (Edwin Ray), Sir,
    Publication info: [between 1835 and 1854]
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: History  Manuscripts (documents)  Science  Sea urchins  Sources  Technology
  8. By: Jussieu, Adrien de,
    Publication info: [between 1817 and 1853]
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Botany  History  Manuscripts (documents)  Science  Sources  Technology