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    <subfield code="a">Merrill, George P.</subfield>
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    <subfield code="a">George P. Merrill correspondence and autographs,</subfield>
    <subfield code="f">1803-1926.</subfield>
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    <subfield code="a">Autographs and letters of geologists and other scientists collected by Merrill while writing The First One Hundred Years of American Geology (1924).  Includes letters addressed to James Hall, F.V. Hayden, and others.  Correspondents include Cleveland Abbe, Louis Agassiz, Amos Binney, Thomas Cooper, Asa Gray, Clarence King, Robert E. Peary, Raphael Pumpelly, W.C. Redfield, Henry Rowe Schoolcraft, David Humphreys Storer, Eduard Suess, and John Torrey.</subfield>
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    <subfield code="d">1789-1857</subfield>
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    <subfield code="a">Schoolcraft, Henry Rowe,</subfield>
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    <subfield code="a">Storer, David Humphreys,</subfield>
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    <subfield code="a">Suess, Eduard,</subfield>
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