- L. (1)
- La Bruyère, Jean de (1, 1645 to 1696)
- La Farge, Oliver (1, 1901 to 1963)
- La Fayette, Madame de (2, 1634 to 1693)
- La Motte, Ellen Newbold (1, 1873 to 1961)
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- Laertius, Diogenes (4, 3rd Cent.)
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- Laidlaw, Alexander Hamilton (2, 1828 to 1908)
- Lamartine, Alphonse de (2, 1790 to 1869)
- Lamb, Mary (1, 1764 to 1847)
- Lamb, Arthur J. (1, 1870 to 1928)
- Lamb, Charles (4, 1775 to 1834)
- Lamb, Ruth (1, 1829 to 1916)
- Lambert, John C. (1, 1857 to 1917)
- LaMere, Oliver (1, 1879 to 1930)
- Lamon, Ward Hill (2, 1828 to 1893)
- Lamplough, Edward (1, 1845 to 1919)
- Lampman, Archibald (9, 1861 to 1899)
- Lampton, William J. (1, 1851 to 1917)
- Landa, Gertrude (2, 1892 to 1941)
- Landis, Simon (2, 1830 to 1902)
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- Landon, Perceval (1, 1868 to 1927)
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- Lang, Leonora Blanche (2, 1851 to 1933)
- Langford, George (1, 1876 to 1964)
- Langford, Norman F. (1, 1914 to 1994)
- Langland, William (1, c. 1332 to c. 1386)
- Langstroth, L. L. (1, 1810 to 1895)
- Langworthy, John Luther (1)
- Lanier, Henry Wysham (1, 1873 to 1958)
- Lanier, Sidney (3, 1842 to 1881)
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- Lanman, Charles (1, 1819 to 1895)
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- Laumer, Keith (9, 1925 to 1993)
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- Lawson, James Gilchrist (1, 1874 to 1946)
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- Leadbeater, C. W. (4, 1854 to 1934)
- Leamy, Edmund (1, 1848 to 1904)
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- Lee, Agnes (1, 1868 to 1939)
- Lee, Gerald Stanley (1, 1862 to 1944)
- Lee, Jennette (1, 1860 to 1951)
- Lee, Jr., Robert E. (1, 1843 to 1914)
- Lee, Mrs. Robert (1, 1791 to 1856)
- Lee, Muna (2, 1895 to 1965)
- Lee, Vernon (2, 1856 to 1935)
- Leech, Samuel (1, 1798 to 1848)
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- Leland, Charles Godfrey (5, 1824 to 1903)
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- Lemaître, Jules (1, 1853 to 1914)
- Lemon, Mark (1, 1809 to 1870)
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- Leo I (Leo the Great), Pope (1, c. 400 to 461)
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- Lérins, Vincent (1, ? to 445)
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- Leroux, Gaston (13, 1868 to 1927)
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- Leslie, Robert C. (1, 1826 to 1901)
- Leslie, Emma (3, 1837 to 1909)
- Lesseps, Ferdinand de (1, 1805 to 1894)
- Lessing, Gotthold Ephraim (4, 1729 to 1781)
- Lessing, Theodor (2, 1872 to 1933)
- Lester, Velley (1, 1871 to 1926)
- Lettau, Joseph L. (1, 1893 to 1950)
- Leuba, James H. (1, 1867 to 1946)
- Levanda, Lev Osipovich (1, 1835 to 1888)
- Level, Maurice (2, 1875 to 1926)
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- Leverson, Ada (3, 1862 to 1933)
- Levison, Jacob Joshua (1, 1883 to 1961)
- Levy, Amy (4, 1861 to 1889)
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- Lewin, Thomas (1, 1805 to 1877)
- Lewis, C. S. (2, 1898 to 1963)
- Lewis, Harry A. (1)
- Lewis, Janet (1, 1899 to 1998)
- Lewis, Matthew (6, 1775 to 1818)
- Lewis, Sinclair (12, 1885 to 1951)
- Li 李白, Bai (1, 701 to 762)
- Li, Yuexiu (1)
- Libby, Walter (1, 1867 to 1955)
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- Licht, Sidney (1, 1907 to 1979)
- Lichtwer, Magnus Gottfried (1, 1719 to 1783)
- Liebermann, Max (2, 1847 to 1935)
- Liebig, Justus von (1, 1803 to 1873)
- Liezi (2, ca. 400 BC)
- Lighton, William R. (1, 1866 to 1923)
- Lightwood, James T. (1, 1856 to 1944)
- Ligthart, Jan (1, 1859 to 1916)
- Liguori, St. Alphonsus (4, 1696 to 1787)
- Liliencron, Detlev von (2, 1844 to 1909)
- Lillibridge, Will (1, 1878 to 1909)
- Lilly, William (1, 1602 to 1681)
- Lincoln, Abraham (8, 1809 to 1865)
- Lincoln, Joseph Crosby (3, 1870 to 1944)
- Lincoln, Natalie Sumner (14, 1881 to 1935)
- Lindbergh, Charles (1, 1902 to 1974)
- Linderman, Frank Bird (1, 1869 to 1938)
- Lindsay, Alexander Dunlop (1, 1879 to 1952)
- Lindsay, Caroline Blanche Elizabeth (2, 1844 to 1912)
- Lindsay, David (2, 1876 to 1945)
- Lindsay, Maud (2, 1874 to 1941)
- Lindsay, Norman (1, 1879 to 1969)
- Lindsay, Vachel (16, 1879 to 1931)
- Linington, Elizabeth (1, 1921 to 1988)
- Linnankoski, Johannes (1, 1869 to 1913)
- Linskill, William Thomas (1, 1855 to 1929)
- Linton, Eliza Lynn (1, 1822 to 1898)
- Lippard, George (1, 1822 to 1854)
- Lippincott, Sara Jane (1, 1823 to 1904)
- Lippmann, Walter (4, 1889 to 1974)
- Lippmann, Julie M. (3, 1864 to 1952)
- Lister, Joseph (1, 1827 to 1912)
- Liszt, Franz (1, 1811 to 1886)
- Litsey, Edwin Carlile (1, 1874 to 1970)
- Little, Frances (2, 1863 to 1941)
- Little, Jay (1, 1917)
- Liu 刘鹗, E (1, 1857 to 1909)
- Livermore, George (1, 1809 to 1865)
- Livermore, George G. (1, 1886 to 1951)
- Livesay, John Frederick Bligh (4, 1875 to 1944)
- Livingston, Leon Ray (1, 1872 to 1944)
- Livingston, Mrs. C. M. (5, 1832 to 1924)
- Livingstone, David (2, 1813 to 1873)
- Livius, Titus (5, 55 BC to 17 AD)
- Lloyd, Henry Demarest (1, 1847 to 1903)
- Lobeira, Vasco de (1, 1403)
- Lockard, John Ready (1, 1858 to 1925)
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- Locke, Gladys Edson (2, 1887)
- Locke, Mary S. (1, fl.1901)
- Locke, Richard Adams (1, 1800 to 1871)
- Locke, William John (21, 1863 to 1930)
- Locker-Lampson, Frederick (2, 1821 to 1895)
- Lockett, Hattie Greene (1, 1879 to 1962)
- Lockhart, Caroline (2, 1871 to 1962)
- Lockhart, John Gilbert (1, 1891 to 1960)
- Lockwood, Ingersoll (2, 1841 to 1918)
- Lodge, Henry Cabot (4, 1850 to 1924)
- Lodge, Eleanor Constance (1, 1869 to 1936)
- Lodge, George Cabot (1, 1873 to 1909)
- Lodge, Oliver (1, 1851 to 1940)
- Lodge, Thomas (2, 1558 to 1625)
- Loewenfeld, Leopold (1, 1847 to 1924)
- Lofting, Hugh (11, 1886 to 1947)
- Logan, Guy B. H. (1)
- Logan, J. Francis (1, fl.1917)
- Lokhvitskaya, Mirra (1, 1869 to 1905)
- Lomax, John (1, 1867 to 1948)
- Lombroso, Cesare (2, 1835 to 1909)
- Lombroso, Gina (1, 1872 to 1944)
- London, Jack (50, 1876 to 1916)
- Long, C. C. (1, fl.1889)
- Long, Frank Belknap (5, 1901 to 1994)
- Long, John Luther (2, 1861 to 1927)
- Long, Lily A. (1, 1862 to 1927)
- Long, Mason (1, 1842 to 1903)
- Long, Robert Edgar (1)
- Long, William J. (10, 1867 to 1952)
- Longfellow, Henry Wadsworth (32, 1807 to 1882)
- Longfellow, Marian (1, 1849 to 1924)
- Longus (1, 0 to 0)
- Lönnrot, Elias (2, 1802 to 1884)
- Löns, Hermann (3, 1866 to 1914)
- Loon, Hendrik van (2, 1882 to 1944)
- Looney, J. Thomas (1, 1870 to 1944)
- Looney, Josephine (1)
- Loos, Anita (2, 1888 to 1981)
- Loosjes Pzn., Adriaan (12, 1761 to 1818)
- Lope de Vega, Félix (2, 1562 to 1635)
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- López-Valdemoro de Quesada, Conde de las Navas, Juan Gualberto (1, 1855 to 1935)
- Lorch, Fred W. (1, 1893 to 1967)
- Lord, Daniel A. (3, 1888 to 1955)
- Lord, John (14, 1810 to 1894)
- Lorentz, Hendrik A. (1, 1853 to 1928)
- Lorimer, George Horace (1, 1867 to 1937)
- Loring, Frederick W. (1, 1848 to 1871)
- Lossing, Benson John (1, 1813 to 1891)
- Lothar, Rudolf (1, 1865 to 1943)
- Loti, Pierre (5, 1850 to 1923)
- Lotz, Ernst Wilhelm (1, 1890 to 1914)
- Loudon, Jane C. (1, 1807 to 1858)
- Louis Segond Bible (4, 1810 to 1855)
- Lounsbery, G. Constant (1, 1876 to 1964)
- Louwerse, Pieter (3, 1840 to 1908)
- Louÿs, Pierre (2, 1870 to 1925)
- Lovat, Alice Lady (1, 1846 to 1938)
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- Lovecraft, H. P. (16, 1890 to 1937)
- Lovelace, Richard (1, 1618 to 1658)
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- Lowell, Amy (10, 1874 to 1925)
- Lowell, James Russell (11, 1819 to 1891)
- Lowell, Joan (1, 1902 to 1967)
- Lowell, Percival (1, 1855 to 1916)
- Lowndes, Marie Belloc (4, 1868 to 1947)
- Lowrey, Nathan S. (1)
- Lowrie, Walter (1, 1868 to 1959)
- Loyola, Mother Mary (2, 1845 to 1930)
- Loyola, St. Ignatius (2, 1491 to 1556)
- Lu, Xun (5, 1881 to 1936)
- Lucan (1, 39 to 65)
- Lucas, E. V. (1, 1868 to 1938)
- Lucas, Frederic (1, 1852 to 1929)
- Luce, Robert (1, 1862 to 1946)
- Lucian of Samosata (6, c. 125 to c. 180)
- Luckey, Rev. Leonard Wilson Arnold (1, 1857 to 1942)
- Lucy, Sir Henry W. (3, 1842 to 1924)
- Ludlow, William (1, 1843 to 1901)
- Ludwig, Edward W. (1, 1920 to 1990)
- Lugones, Leopoldo (2, 1874 to 1938)
- Lull, Richard Swann (1, 1867 to 1957)
- Lumholtz, Carl (1, 1851 to 1922)
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- Luther, Martin (19, 1483 to 1546)
- Lutherbibel (4)
- Lutz, Alma (1, 1890 to 1973)
- Luxemburg, Rosa (1, 1871 to 1919)
- Lvov-Rogachevsky, Vasily (1, 1873 to 1930)
- Lyall, Edna (1, 1857 to 1903)
- Lyell, Charles (1, 1797 to 1875)
- Lykes, Richard Wayne (1, fl.1970)
- Lynch, John R. (1, 1847 to 1939)
- Lynch, Lawrence L. (2, 1853 to 1914)
- Lynd, Robert (4, 1879 to 1949)
- Lyng, Mary Ella (1, fl.1922)
- Lynn, Ethel Grace (1, 1881 to 1960)
- Lyonesse (1)
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- Lyttelton, George (1, 1709 to 1773)
- Lyttleton, Kay (2)
- Lytton, Constance (1, 1869 to 1923)