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  <controlfield tag="001">mm 79034629 </controlfield>
  <controlfield tag="003">DLC</controlfield>
  <controlfield tag="005">20260227111656.0</controlfield>
  <controlfield tag="008">790807||||||||||||                 eng  </controlfield>
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    <subfield code="a">mm 79034629 </subfield>
    <subfield code="b">ms 63000384 </subfield>
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    <subfield code="a">DLC</subfield>
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    <subfield code="c">DLC</subfield>
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    <subfield code="a">S</subfield>
    <subfield code="2">lcmd</subfield>
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    <subfield code="a">Newcomb, Simon,</subfield>
    <subfield code="d">1835-1909.</subfield>
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  <datafield tag="245" ind1="0" ind2="0">
    <subfield code="a">Simon Newcomb papers,</subfield>
    <subfield code="f">1854-1936</subfield>
    <subfield code="g">(bulk 1865-1909).</subfield>
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  <datafield tag="300" ind1=" " ind2=" ">
    <subfield code="a">46,000</subfield>
    <subfield code="f">items.</subfield>
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    <subfield code="a">145</subfield>
    <subfield code="f">containers, plus</subfield>
    <subfield code="a">8</subfield>
    <subfield code="f">oversize.</subfield>
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  <datafield tag="351" ind1=" " ind2=" ">
    <subfield code="a">Arranged in 9 series.  Series 1: Diaries and Commonplace Books, 1858-1914; Series 2: Letterbooks, 1862-1893; Series 3: Letter Registers, 1903-1909; Series 4: Family Correspondence, 1858-1936; Series 5: General Correspondence, 1854-1912; Series 6: Subject File; Series 7: Speech, Article, and Book File; Series 8: Miscellany; and Series 9: Oversize.</subfield>
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  <datafield tag="506" ind1="0" ind2=" ">
    <subfield code="a">Open to research.</subfield>
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  <datafield tag="520" ind1="8" ind2=" ">
    <subfield code="a">Correspondence, diaries, speeches, writings, articles, reviews, commonplace books, financial records, genealogical material, charts, tables, computations, photographs, and other papers reflecting Newcomb's career in astronomy and mathematics, work as president of the Congress of Arts and Science in 1904, Saint Louis, Mo.; authorship of articles for encyclopedias and other publications; and personal and family affairs.  Correspondents include Edward Emerson Barnard, Alexander Graham Bell, Lewis Boss, S.W. Burnham, William Wallace Campbell, James McKeen Cattell, George Davidson, Sir David Gill, Daniel Coit Gilman, Benjamin Apthorp Gould, George Ellery Hale, Asaph Hall, George William Hill, Edward Singleton Holden, S.P. Langley, Othniel Charles Marsh, Benjamin Peirce, Edward C. Pickering, T.J.J. See, Otto Struve, Charles D. Walcott, Carroll Davidson Wright, and Newcomb's wife, Mary Hassler Newcomb.  Also includes correspondence with the Alvan Clark &amp; Sons, Carnegie Institution of Washington, National Academy of Sciences (U.S.), Smithsonian Institution, and the periodical, Science.</subfield>
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  <datafield tag="545" ind1="0" ind2=" ">
    <subfield code="a">Astronomer, mathematician, and economist.</subfield>
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    <subfield code="a">Collection material in English.</subfield>
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  <datafield tag="555" ind1="8" ind2=" ">
    <subfield code="a">Finding aid available in the Library of Congress Manuscript Reading Room.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Barnard, Edward Emerson,</subfield>
    <subfield code="d">1857-1923</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Bell, Alexander Graham,</subfield>
    <subfield code="d">1847-1922</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Boss, Lewis,</subfield>
    <subfield code="d">1846-1912</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Burnham, S. W.</subfield>
    <subfield code="q">(Sherburne Wesley),</subfield>
    <subfield code="d">1838-1921</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Campbell, William Wallace,</subfield>
    <subfield code="d">1862-</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Cattell, James McKeen,</subfield>
    <subfield code="d">1860-1944</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Davidson, George,</subfield>
    <subfield code="d">1825-1911</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Gilman, Daniel Coit,</subfield>
    <subfield code="d">1831-1908</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Gill, David,</subfield>
    <subfield code="c">Sir,</subfield>
    <subfield code="d">1843-1914</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Gould, Benjamin Apthorp,</subfield>
    <subfield code="d">1824-1896</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Hale, George Ellery,</subfield>
    <subfield code="d">1868-1938</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Hall, Asaph,</subfield>
    <subfield code="d">1829-1907</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Hill, George William,</subfield>
    <subfield code="d">1838-1914</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Holden, Edward Singleton,</subfield>
    <subfield code="d">1846-1914</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Langley, S. P.</subfield>
    <subfield code="q">(Samuel Pierpont),</subfield>
    <subfield code="d">1834-1906</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Marsh, Othniel Charles,</subfield>
    <subfield code="d">1831-1899</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Newcomb, Mary Hassler</subfield>
    <subfield code="d">1840-1921</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Peirce, Benjamin,</subfield>
    <subfield code="d">1809-1880</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Pickering, Edward C.</subfield>
    <subfield code="q">(Edward Charles),</subfield>
    <subfield code="d">1846-1919</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">See, T. J. J.</subfield>
    <subfield code="q">(Thomas Jefferson Jackson),</subfield>
    <subfield code="d">1866-</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Struve, Otto,</subfield>
    <subfield code="d">1819-1905</subfield>
    <subfield code="v">Correspondence.</subfield>
  </datafield>
  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Walcott, Charles D.</subfield>
    <subfield code="q">(Charles Doolittle),</subfield>
    <subfield code="d">1850-1927</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="1" ind2="0">
    <subfield code="a">Wright, Carroll Davidson,</subfield>
    <subfield code="d">1840-1909</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="600" ind1="3" ind2="0">
    <subfield code="a">Newcomb family.</subfield>
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  <datafield tag="610" ind1="2" ind2="0">
    <subfield code="a">Alvan Clark &amp; Sons</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="610" ind1="2" ind2="0">
    <subfield code="a">Carnegie Institution of Washington</subfield>
    <subfield code="v">Correspondence.</subfield>
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  <datafield tag="610" ind1="2" ind2="0">
    <subfield code="a">National Academy of Sciences (U.S.)</subfield>
    <subfield code="v">Correspondence.</subfield>
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    <subfield code="a">Smithsonian Institution</subfield>
    <subfield code="v">Correspondence.</subfield>
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    <subfield code="a">Congress of Arts and Science</subfield>
    <subfield code="d">(1904 :</subfield>
    <subfield code="c">Saint Louis, Mo.)</subfield>
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    <subfield code="a">Science</subfield>
    <subfield code="v">Correspondence.</subfield>
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    <subfield code="a">Arts</subfield>
    <subfield code="v">Congresses.</subfield>
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  <datafield tag="650" ind1=" " ind2="0">
    <subfield code="a">Astronomy.</subfield>
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  <datafield tag="650" ind1=" " ind2="0">
    <subfield code="a">Mathematics.</subfield>
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  <datafield tag="650" ind1=" " ind2="0">
    <subfield code="a">Science</subfield>
    <subfield code="v">Congresses.</subfield>
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    <subfield code="a">Astronomers.</subfield>
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    <subfield code="a">Economists.</subfield>
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    <subfield code="a">Mathematicians.</subfield>
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