Browse Finding Aids by LC Location

L

• L. Patrick Gray III papers, 1931-2008.
• L. Quincy Mumford papers, 1939-1982.
• L'Enfant, Pierre Charles, 1754-1825. Pierre Charles L'Enfant papers. 1778-1864.
• L'Enfant, Pierre Charles, 1754-1825. Pierre Charles L'Enfant papers. 1783-1793.
• La Fayette, Michel Louis Christophe Roch Gilbert Motier, marquis de, 1732-1759. Michel Louis Christophe Roch Gilbert Motier, marquis de La Fayette, papers.
• La Follette, Belle Case, 1859-1931. Belle Case La Follette papers. 1879-1931.
• La Follette family. La Follette family papers, 1781-1988.
• La Follette family papers, 1781-1988.
• La Follette, Fola, 1882-1970. Fola La Follette papers. 1879-1970.
• La Follette, Mary Josephine, 1899-1988. Mary Josephine La Follette papers. 1925-1988.
• La Follette, Philip Fox, 1897-1965. Philip Fox La Follette papers. 1911-1971.
• La Follette, Robert M. (Robert Marion), 1855-1925. Robert M. La Follette papers. 1844-1925.
• La Follette, Robert M. (Robert Marion), 1895-1953. Robert M. La Follette papers. 1895-1960.
• La Motte, Ellen N. (Ellen Newbold), 1873-1961. Ellen N. La Motte collection on opium traffic, 1919-1933.
• La Tour-Maubourg, Anastasie du Motier de La Fayette, comtesse de, 1777-1863. Anastasie du Motier de La Fayette, comtesse de La Tour-Maubourg, papers.
• Lafayette, Georges Washington Louis Gilbert Du Motier, marquis de, 1779-1849. Georges Washington Louis Gilbert Du Motier, marquis de Lafayette, papers.
• Lafayette, Marie Adrienne de Noailles, marquise de, 1759-1807. Marie Adrienne de Noailles, marquise de Lafayette, papers.
• Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-1834. Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de Lafayette, papers, 1776-1934.
• Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-1834. Marquis de Lafayette papers, 1757-1990.
• Lake, Anthony. Anthony Lake papers, 1916-2003.
• Lakhman, Gizella. Gizella Lakhman papers, 1883-1969.
• Lamont, Daniel Scott, 1851-1905. Daniel Scott Lamont papers, 1853-1928.
• Lamson-Scribner, F. F. Lamson-Scribner papers, 1885-1938.
• Land, Emory Scott, 1879-1971. Emory Scott Land papers, 1901-1972.
• Lander, F. W. (Frederick West), 1821-1862. F.W. Lander and J.M. Lander papers, 1836-1894.
• Lander, J. M. (Jean Margaret), 1829-1903. F. W. Lander and J.M. Lander papers. 1836-1894.
• Landis, James M. (James McCauley), 1899-1964. James McCauley Landis papers, 1916-2004.
• Lane, J. F., active 1834-1835. J.F. Lane letterbook. 1834-1835.
• Langelan, Martha J. Martha J. Langelan papers.
• Langeron, Charles-Claude, marquis de, 1720-1792. Louis-Alexandre Andrault, comte de Langeron, and Charles-Claude, marquis de Langeron, papers. 1761-1785.
• Langeron, Louis-Alexandre Andrault, comte de, 1763-1831. Louis-Alexandre Andrault, comte de Langeron, and Charles-Claude, marquis de Langeron, papers, 1761-1785.
• Langmuir, Irving, 1881-1957. Irving Langmuir papers, 1871-1957.
• Lansdale, Edward Geary, 1908-1987. Edward Geary Lansdale interview.
• Lansing, Robert, 1864-1928. Robert Lansing papers, 1831-1959.
• Lardner, George. George Lardner papers, 1923-2005.
• Lardner, Ring, Jr., 1915-2000. Ring Lardner papers.
• Larned, Daniel Read. Daniel Read Larned papers, 1861-1878.
• Lars E. Lind papers, 1913-2008.
• Larson family papers.
• Larson, Frans August, 1870-1957. Frans August Larson family papers, 1864-2021.
• Larson, Frans August, 1870-1957. Frans August Larson papers.
• Larson, Mary Rodgers, 1869-1947. Mary Rodgers Larson papers.
• Lasteyrie du Saillant, Adrien-Jules, marquis de, 1810-1883. Adrien-Jules, marquis de Lasteyrie du Saillant, papers.
• Lasteyrie du Saillant, Louis, marquis de, 1781-1826. Louis, marquis de Lasteyrie du Saillant, papers.
• Lasteyrie du Saillant, Olivia de Rohan-Chabot, marquise de, 1813-1899. Olivia de Rohan-Chabot, marquise de Lasteyrie du Saillant, papers.
• Lasteyrie du Saillant, Virginie du Motier de La Fayette, marquise de, 1782-1849. Virginie du Motier de La Fayette, marquise de Lasteyrie du Saillant, papers.
• Lathers, Richard, 1820-1903. Richard Lathers papers, 1826-1901.
• Lathrop, William Addison. William Addison Lathrop papers.
• Latimer, John Richardson, 1793-1855. John Richardson Latimer papers, 1679-1906.
• Latrobe, Benjamin Henry, 1764-1820. Benjamin Henry Latrobe papers, 1803-1817.
• Lattimore, Eleanor Holgate, 1895-1970. Eleanor Holgate Lattimore papers.
• Lattimore, Owen, 1900-1989. Owen Lattimore papers, 1907-1997.
• Latty, A. Sankey (Alexander Sankey). A. Sankey Latty papers, 1851-1890.
• Laughlin, J. Laurence (James Laurence), 1850-1933. J. Laurence Laughlin papers, 1902-1931.
• Laura Wood Roper papers, 1822-1982.
• Laurence A. Steinhardt papers, 1929-1950.
• Laurence Ilsley Hewes Jr. papers, 1911-2019.
• Lavender, Robert A., 1889-1976. Robert A. Lavender papers, 1911-1976.
• Lavinia L. Dock papers, 1908-1949.
• Law, Elizabeth Parke Custis, 1776-1832. Elizabeth Parke Custis Law papers.
• Lawrence, D. H. (David Herbert), 1885-1930. D.H. Lawrence correspondence, notes, and photographs, 1921-1930.
• Lawrence E. Glendenin papers, 1935-2009.
• Lawrence E. Spivak papers, 1917-1994.
• Lawrence Elgin Glendenin papers.
• Lawrence, John A., 1949- John A. Lawrence papers, 1974-2018.
• Lawrence Quincy Mumford papers.
• Lawrence S. Kubie papers, 1916-1978.
• Lawrence Van Buren family papers, 1721-1938.
• Lawrie, Lee, 1877-1963. Lee Lawrie papers, 1908-1990.
• Lawton, Eba Anderson, -1919. Eba Anderson Lawton papers.
• Lawton, Henry Ware, 1843-1899. Henry Ware Lawton papers, 1849-1930.
• Layton family papers.
• Layton family. Pierson, Rioch, and Layton families papers, 1777-2012.
• Le Gallienne, Eva, 1899-1991. Eva Le Gallienne papers, 1823-1997.
• Le Gallienne, Julie Nørregaard, 1863-1942. Julie Nørregaard Le Gallienne papers.
• Le Gallienne, Richard, 1866-1947. Richard Le Gallienne papers.
• Le Gendre, Charles William, 1830-1899. Charles William Le Gendre papers, 1866-1893.
• Leadership Conference on Civil and Human Rights. Leadership Conference on Civil and Human Rights records.
• Leadership Conference on Civil Rights. Leadership Conference on Civil Rights records, 1943-2014.
• Leadership Conference on Civil Rights records, 1943-2014.
• League of Nations. Advisory Committee on Traffic in Opium and Other Dangerous Drugs. League of Nations. Advisory Committee on Traffic in Opium and Other Dangerous Drugs records.
• League of Women Voters records, 1884-1986.
• League of Women Voters (U.S.). League of Women Voters records, 1884-1986.
• Leahy, William D. William D. Leahy papers, 1897-1959.
• Lear, Norman. Norman Lear papers.
• Lear, Tobias, 1762-1816. Tobias Lear papers, 1790-1816.
• Learned Hand papers.
• Learned Hand trial summaries, 1909-1924.
• Learned, Henry Barrett, 1868-1931. Henry Barrett Learned papers.
• Learned, Henry Barrett, 1868-1931. Henry Barrett Learned papers, 1907-1931.
• Leason Heberling Adams papers, 1919-1968.
• Lee, Ann Hill Carter, 1773-1829. Ann Hill Carter Lee papers. (2)
• Lee, Anne Robinson McCarty, 1798-1840. Anne Robinson McCarty Lee papers. (2)
• Lee, Arthur, 1740-1792. Arthur Lee papers.
• Lee, Charles, 1758-1815. Charles Lee papers.
• Lee, Charles Carter, 1798-1871. Charles Carter Lee papers.
• Lee de Forest papers, 1884-1955.
• Lee, Elizabeth Collins, -1858. Elizabeth Collins Lee papers.
• Lee family. Custis-Lee family papers, 1700-circa 1928.
• Lee family. DeButts-Ely collection of Lee family papers, 1749-1914.
• Lee family. Ethel Armes collection of Lee family papers, 1671-1936.
• Lee family. Lee-Palfrey families papers, 1780-1932.
• Lee family papers. (3)
• Lee, Francis Watts. Francis Watts Lee papers, 1845-1951.
• Lee, Hannah Philippa Ludwell. Hannah Philippa Ludwell Lee papers.
• Lee, Henrietta Bedinger, 1810- Henrietta Bedinger Lee papers.
• Lee, Henry, 1691-1747. Henry Lee papers.
• Lee, Henry, 1756-1818. Henry Lee papers. (2)
• Lee, Henry, 1787-1837. Henry Lee papers.
• Lee, James D., 1844-1910. James D. Lee papers, 1852-1890.
• Lee Lawrie papers, 1908-1990.
• Lee, Ludwell, 1760-1836. Ludwell Lee papers.
• Lee, Mary Bland, 1704-1764. Mary Bland Lee papers.
• Lee, Mary Custis, 1835-1918. Mary Custis Lee papers.
• Lee, Mary Randolph Custis, 1807-1873. Mary Randolph Custis Lee papers. (2)
• Lee McCardell papers, 1867-2009.
• Lee-Palfrey families papers, 1780-1932.
• Lee, Richard Bland, 1761-1827. Richard Bland Lee papers. (2)
• Lee, Richard Henry, 1732-1794. Richard Henry Lee papers.
• Lee, Richard Henry, 1794-1865. Richard Henry Lee papers.
• Lee, Robert E. (Robert Edward), 1807-1870. Robert E. Lee papers. (2)
• Lee, Rowland V., 1891-1975. Rowland V. Lee papers, 1907-1971.
• Lee, Samuel Phillips, 1812-1897. Samuel Phillips Lee papers, 1860-1869.
• Lee Strasberg papers, 1780-2006.
• Lee, Susan Palfrey, 1767-1822. Susan Palfrey Lee papers.
• Lee, Thomas, 1690-1750. Thomas Lee papers. (2)
• Lee, William, 1739-1795. William Lee papers.
• Lee, William, 1772-1840. William Lee papers.
• Lee, William Henry Fitzhugh, 1837-1891. William Henry Fitzhugh Lee papers.
• Leech, Abraham. Abraham Leech correspondence and diary. 1837-circa 1881.
• Leffingwell, R. C. (Russell Cornell), 1878-1960. R.C. Leffingwell letterbooks, 1917-1920.
• Leighton W. Rogers papers, 1912-1982.
• Leighton William Rogers papers.
• Lejeune, John Archer, 1867-1942. John Archer Lejeune papers, 1815-1950.
• Leland, Charles Godfrey, 1824-1903. Charles Godfrey Leland papers.
• Leland Harrison papers, 1915-1947.
• Leland J. Haworth papers, 1944-1977.
• Leland, Waldo Gifford, 1879-1966. Guide to materials for American history in the libraries and archives of Paris.
• Leland, Waldo Gifford, 1879-1966. Waldo Gifford Leland papers, 1844-1966.
• LeMay, Curtis E. Curtis E. LeMay papers, 1918-1969.
• Lennard H. Mitchell diaries, 1914.
• Lennard H. Mitchell papers.
• Lenroot, Clara Clough, 1856-1942. Clara Clough Lenroot papers.
• Lenroot, Irvine Luther, 1869-1949. Irvine Luther Lenroot papers, 1858-1971.
• Leo Goodman papers, 1913-1982.
• Leo Pasvolsky papers, 1937-1953.
• Leo Wolman papers, 1870-1958.
• Leon F. Barnard papers, 1901-circa 1993.
• Leon Howard Sullivan papers, 1940-2002.
• Leonard Downie Jr. papers, 1961-2020.
• Leonard F. Cushing papers, 1794-1959.
• Leonard Garment papers, 1949-1997.
• Leonard James Dow papers, 1945-1967.
• Leonard, John Calvin, 1859-1937. John Calvin Leonard papers, 1882-1920.
• Leonard Porter Ayres papers, 1902-1946.
• Leonard Wood papers, 1825-1942.
• Leontiĭ, Metropolitan of All America and Canada, 1876-1965. Leontiĭ, Metropolitan of All America and Canada, papers, 1855-1962.
• Leontiĭ, Metropolitan of All America and Canada, papers, 1855-1962.
• Lerner, Abba P. (Abba Ptachya), 1903-1982. Abba Ptachya Lerner papers, 1929-1986.
• Lerner, Daliah Goldfarb. Daliah Goldfarb Lerner papers.
• Lesley James McNair papers, 1904-1945.
• Leslie, Hal Field. Hal Field Leslie papers.
• Lessing J. Rosenwald Collection archive.
• Lessing J. Rosenwald papers, 1819-1979.
• Lester F. Ward papers.
• Lester Frank Ward papers, 1883-1906.
• Lester Hood Woolsey papers, 1831-1958.
• Letitia T. Howe collection, 1822-1876.
• Letitia T. Howe papers.
• Letts de Espil, Courtney. Courtney Letts de Espil papers, 1925-1994.
• Leventhal, Harold, 1915-1979. Harold Leventhal papers, 1932-1980.
• Levi Woodbury family papers, 1638-1914.
• Levin, Abraham J., 1897- Abraham J. Levin papers. 1944-1945.
• Levin, Arthur J. Arthur J. Levin file. 1962-1982.
• Levine, Irving R. Irving R. Levine papers, 1930-2009.
• Levisee, Aaron Burton. Aaron Burton Levisee papers, 1847-1992.
• Levy, Fanny Yates, 1787-1891 or 1892. Fanny Yates Levy papers.
• Levy, Jacob Clavius, 1788-1875. Jacob Clavius Levy papers.
• Lewin, Bertram D. (Bertram David), 1896-1971. Bertram D. Lewin papers, 1883-1974.
• Lewis, Anthony, 1927-2013. Anthony Lewis papers, 1941-2007.
• Lewis B. Schwellenbach papers, 1916-1958.
• Lewis, Ernest Irving, 1873-1947. Ernest Irving Lewis papers, 1897-1944.
• Lewis Graham Hines papers, 1916-1959.
• Lewis H. Machen family papers, 1802-1938.
• Lewis M. Haupt papers, 1849-1923.
• Lewis, Meriwether, 1774-1809. Meriwether Lewis diary excerpt. undated.
• Lewis Nathaniel Chase papers, 1836-1947.
• Lewis, Nolan D. C. (Nolan Don Carpentier), 1889-1979. Nolan D.C. Lewis papers, 1897-1978.
• Lewis Reeves Gibbes papers, 1793-1894.
• Lewis Tappan papers, 1809-1903.
• Lewis Varick Frissell papers, 1917-1970.
• Lewis Whitfield Colson papers, 1894-1950.
• Lewis, William A., 1867 or 1868- William A. Lewis journal. 1923.
• Lewton, Val. Val Lewton papers, 1919-2007.
• Libby, Abial. Abial Libby diary. 1862.
• Libby, Frederick J. (Frederick Joseph), 1874-1970. Frederick Joseph Libby papers, 1846-1973.
• Library of Congress. Copyright Office. Library of Congress Copyright Office Mask Work deposits, 1985-1997.
• Library of Congress Copyright Office Mask Work deposits, 1985-1997.
• Library of Congress. Copyright Office. Reader's collection, Library of Congress Copyright Office drama deposits, 1863-1928.
• Library of Congress. Foreign Copying Program. Library of Congress. Foreign Copying Program reproductions collection. (7)
• Library of Congress. Library of Congress archives. (2)
• Library of Congress. Manuscript Division. Suffrage Archives. 1759-1961. (3)
• Liebengood, Howard S. (Howard Scholer), 1942-2005. Howard S. Liebengood papers, 1950-1982.
• Lieber, Francis, 1800-1872. Francis Lieber correspondence and essay, 1830-1872.
• Lilian T. Mowrer papers.
• Lilli Vincenz papers, 1879-2013.
• Lillian Everts papers, 1933-1956.
• Lillian Gish papers, 1829-1978.
• Lilly Trog-Prinz papers, 1957-1992.
• Lincoln, Abraham, 1809-1865. Abraham Lincoln correspondence. 1864 July 9.
• Lincoln, Abraham, 1809-1865. Abraham Lincoln papers, 1774-1948.
• Lincoln, Abraham, 1809-1865. Abraham Lincoln papers. 1824-1865.
• Lincoln, Abraham, 1809-1865. Abraham Lincoln papers. 1861-1865.
• Lincoln, Abraham, 1809-1865. Robert Todd Lincoln family papers. 1864-1938.
• Lincoln, Benjamin, 1733-1810. Benjamin Lincoln papers, 1778-1806.
• Lincoln family papers.
• Lincoln family. Robert Todd Lincoln family papers, 1864-1938.
• Lincoln Group of Chicago collection relating to Abraham Lincoln, 1903-1952.
• Lincoln Group of Chicago. Lincoln Group of Chicago collection relating to Abraham Lincoln, 1903-1952.
• Lincoln, Mary Todd, 1818-1882. Robert Todd Lincoln family papers. 1864-1938.
• Lincoln, Robert Todd, 1843-1926. Robert Todd Lincoln family papers, 1864-1938.
• Lind, Lars E., 1891-1982. Lars E. Lind papers, 1913-2008.
• Lind, Olof E., 1889-1971. Olof E. Lind papers, 1713-1996.
• Linda Chavez and Christopher Gersten papers, 1889-2011.
• Linda Chavez papers.
• Lindbergh, Charles A. (Charles Augustus), 1902-1974. Charles A. Lindbergh papers.
• Lindbergh, Charles A. (Charles Augustus), 1902-1974. Charles A. Lindbergh Spirit of St. Louis collection, 1927-1969.
• Lindsay, Inabel B., 1900- Inabel B. Lindsay oral history interview.
• Lindsey, Ben B. (Ben Barr), 1869-1943. Ben B. Lindsey papers, 1838-1957.
• Linowitz, Sol M., 1913-2005. Sol M. Linowitz papers, 1778-1999.
• Lipset, Seymour Martin. Seymour Martin Lipset papers, 1824-2013.
• Lispenard Seabury Crocker papers.
• Literary Society of Washington (Washington, D.C.). Literary Society of Washington, Washington, D.C., records, 1873-1991.
• Literary Society of Washington, Washington, D.C., records, 1873-1991.
• Littell, Eliakim, 1797-1870. Eliakim Littell correspondence, 1819-1869.
• Little, Arthur D. (Arthur Dehon), 1863-1935. Arthur D. Little papers, 1884-1973.
• Little, Kenneth B., 1918-1997. Kenneth B. Little papers.
• Littlewood, William H. William H. Littlewood papers, 1904-2007.
• Livermore, Eunice. Eunice Livermore papers.
• Livermore, Isaac. Isaac Livermore papers.
• Livingston, Anne Home Shippen, 1763-1841. Anne Home Shippen Livingston papers. (2)
• Lloyd Carpenter Griscom papers, 1898-1951.
• Lloyd V. Berkner papers, 1938-1967.
• Lockwood, Charles A., 1890-1967. Charles A. Lockwood papers, 1904-1967.
• Lodge, Henry Cabot, Jr., 1902-1985. Henry Cabot Lodge Jr. interview.
• Loeb, Benjamin S., 1914- Benjamin S. Loeb papers, 1945-1999.
• Loeb, Jacques, 1859-1924. Forced movements, tropisms, and animal conduct. 1918.
• Loeb, Jacques, 1859-1924. Jacques Loeb papers, 1889-1924.
• Loeb, Jacques, 1859-1924. Proteins and the theory of colloidal behavior. 1922.
• Loeb, Jacques, 1859-1924. Regeneration from a physico-chemical viewpoint. 1924.
• Loening, Grover, 1888-1976. Grover Cleveland Loening papers, 1900-1975.
• Loewenstein, Rudolph Maurice. Rudolph Maurice Loewenstein oral history interview.
• Loewenstein, Rudolph Maurice. Rudolph Maurice Loewenstein papers, 1919-1975.
• Loewy, Raymond, 1893-1986. Raymond Loewy papers, 1929-1988.
• Logan family. John Alexander Logan family papers, 1836-1925.
• Logan, John A., Jr., 1865-1899. John Alexander Logan papers.
• Logan, John A., Mrs., 1838-1923. Mrs. John A. Logan papers.
• Logan, John Alexander, 1826-1886. John Alexander Logan family papers, 1836-1925.
• Logan, Joshua. Joshua Logan papers, 1723-1992.
• Logan Pearsall Smith papers, 1760-1946.
• Logan, Rayford Whittingham, 1897-1982. Rayford Whittingham Logan papers, 1925-1982.
• Loines, Mary Hillard, 1844-1944. Mary Hillard Loines papers.
• Loines, Russell Hillard. Russell Hillard Loines papers.
• Loisel, Régis. Régis Loisel account of the upper Missouri River country. 1803.
• London newsletters collection, 1665-1685.
• Long, Breckinridge, 1881-1958. Breckinridge Long papers, 1486-1948.
• Longworth, Alice Roosevelt, 1884-1980. Alice Roosevelt Longworth papers, 1888-1942.
• Longworth, Nicholas, 1869-1931. Nicholas Longworth papers, 1782-1931.
• Look Magazine Picture Research File (Library of Congress).
• Look magazine records, 1934-1970.
• Loper family. Palmer-Loper family papers, 1667-1994.
• Loper, R. F. (Richard F.) R.F. Loper papers.
• Lorand, Sándor, 1892-1987. Sándor Lorand papers, 1914-1978.
• Lorenz, Edward N. Edward N. Lorenz papers, circa 1895-2009.
• Lorenz, Jennie, 1886-1962. Jennie Lorenz collection relating to Charlotte Cushman, 1830-1960.
• Lorenzo J. Greene papers, 1680-1988.
• Lorge, Irving, 1905-1961. Semantic count of English words. 1938.
• Lorimer, George Horace, 1869-1937. George Horace Lorimer correspondence.
• Loth, Carl Conrad, 1896-1967. Carl Conrad Loth papers, 1896-1967.
• Louchheim, Katie, 1903-1991. Katie Louchheim papers, 1906-1991.
• Louchheim, Walter C. (Walter Clinton), 1899-1973. Walter C. Louchheim papers.
• Louis-Alexandre Andrault, comte de Langeron, and Charles-Claude, marquis de Langeron, papers, 1761-1785.
• Louis-Alexandre Andrault, comte de Langeron, papers.
• Louis F. Post papers, 1864-1940.
• Louis Jay Hazam papers, 1937-1977.
• Louis M. Goren papers, 1908-1963.
• Louis Malesherbes Goldsborough papers, 1797-1874.
• Louis Martin papers, 1931-1998.
• Louis McLane correspondence, 1795-1894.
• Louis McLane papers.
• Louis N. Ridenour papers, 1917-1960.
• Louis Nizer. My life in court : handwritten and typewritten draft, 1961.
• Louis Nizer papers.
• Louis-Pierre Mouillard papers, 1833-1987.
• Louis Simpson papers, 1922-2011.
• Louis Skidmore papers, 1908-1976.
• Louis T. Michener papers, 1880-1927.
• Louis Theodore Michener papers.
• Louis Untermeyer papers.
• Louis Untermeyer papers, 1955-1967.
• Louise Bates Ames papers, 1915-1996.
• Louise Chandler Moulton papers, 1852-1908.
• Louise Imogen Guiney papers, 1884-1920.
• Louisiana miscellany, 1724-1837.
• Lovering, Charles T., 1846- Charles T. Lovering papers.
• Lovering family. Lovering-Taylor family papers, 1727-1926.
• Lovering, Mary Taylor, 1813- Mary Taylor Lovering papers.
• Lovering-Taylor family papers, 1727-1926.
• Low, Abiel Abbot, 1811-1893. Abiel Abbot Low papers.
• Low, Edward Allen, 1817-1898. Edward Allen Low papers.
• Low family. Low-Mills family papers, 1767-1971.
• Low family papers.
• Low-Mills family papers, 1767-1971.
• Low, Nicholas, 1739-1826. Nicholas Low papers, 1773-1897.
• Lowe, John, 1838-1930. John Lowe papers, 1860-1945.
• Lowe, T. S. C. (Thaddeus Sobieski Coulincourt), 1832-1913. Memoirs of Thaddeus S.C. Lowe, chief of the aeronautic corps of the Army of the United States during the Civil War : my balloons in peace and war.
• Lowe, T. S. C. (Thaddeus Sobieski Coulincourt), 1832-1913. T.S.C. Lowe papers.
• Lowenfeld, Margaret, 1890-1973. Margaret Lowenfeld papers.
• Lowery, Woodbury, 1853-1906. Woodbury Lowery collection relating to Spanish settlements in the United States, 1517-1803.
• Loy W. Henderson papers, 1918-1984.
• Luce, Clare Boothe, 1903-1987. Clare Boothe Luce papers, 1862-1997.
• Luce, Henry Robinson, 1898-1967. Henry Robinson Luce papers. 1913-1972.
• Luce, Henry Robinson, 1898-1967. Henry Robinson Luce papers, 1917-1967.
• Luce, Stephen Bleecker, 1827-1917. Stephen Bleecker Luce papers, 1799-1955.
• Lucian Barbour papers, 1838-1977.
• Lucius C. Dunn papers, 1902-1957.
• Lucretia Rudolph Garfield papers, 1807-1958.
• Lucy Kroll papers, 1908-1998.
• Ludwig Bemelmans papers, 1951-1962.
• Ludwig Jekels papers, 1892-1985.
• Ludwig Mies van der Rohe papers, 1921-1969.
• Luis Aury papers, 1801-1911.
• Lurton, Horace H. (Horace Harmon), 1844-1914. Horace H. Lurton papers, 1860-1915.
• Luther Burbank papers, 1830-1989.
• Luther Harris Evans papers, 1918-1981.
• Lý, Tòng Bá. Tòng Bá Lý interview.
• Lydia Nadejena papers, 1907-1974.
• Lydia S.M. Robinson collection relating to World War I, 1914-1942.
• Lyman Bryson papers, 1893-1978.
• Lyman J. Gage correspondence, 1897-1906.
• Lyman J. Gage papers.
• Lyman Judson Gage papers.
• Lyman Potter Spencer papers, 1856-1914.
• Lyman Trumbull correspondence, 1843-1894.
• Lyman Trumbull papers.
• Lynch, Grace C., approximately 1892-1970. Grace C. Lynch papers. 1905-1965.
• Lynd, Helen Merrell, 1896-1982. Robert Staughton and Helen Merrell Lynd papers. 1895-1968.
• Lynd, Robert Staughton, 1892-1970. Robert Staughton Lynd and Helen Merrell Lynd papers, 1895-1968.
• Lynde Dupuy McCormick papers, 1909-1959.
• Lynn Margulis papers, 1965-2013.
• Lyons, Eugene, 1898-1985. Eugene Lyons papers.