Library of Congress Congressional Research Service 91,408 Levin, Vladimir 15,820 Liszt, Franz, 1811-1886 14,917 Langley Research Center 14,071 London Symphony Orchestra 10,318 Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library) 9,270 Luther, Martin, 1483-1546 8,294 Lewis Research Center 7,748 Linckesche Leihbibliothek 7,548 London Philharmonic Orchestra 6,249 Laurie Burrows Grad Collection (University of Pennsylvania) 5,684 Library of Congress 4,815 Lasso, Orlando di, 1532-1594 4,425 Leonard L. Milberg Collection of American Poetry 4,093 Lenin, Vladimir Ilʹich, 1870-1924 4,027 Longfellow, Henry Wadsworth, 1807-1882 3,992 Library of Congress Legislative Reference Service 3,974 League of Nations 3,919 Library of Jacques Derrida (Princeton University Library) 3,247 Lovecraft Collection (Brown University) 3,098 Leopoldo Cicognara Program (University of Illinois at Urbana-Champaign) 2,930 Leoncavallo, Ruggiero, 1858-1919 2,617 Louis A. Duhring Fund 2,613 Lytton, Edward Bulwer Lytton, Baron, 1803-1873 2,516 Leona Bowman Carpenter Collection of English and American Literature 2,423 Lessing, Gotthold Ephraim, 1729-1781 2,338 Leonard L. Milberg Collection of Irish Prose 2,337 Lovecraft, H. P (Howard Phillips), 1890-1937 2,321 Liberty Hyde Bailey Hortorium Ethel Z. Bailey Horticultural Catalogue Collection 2,315 Lincoln, Abraham, 1809-1865 2,284 Livy 2,234 Leonard L. Milberg Collection of Jewish American Writers 2,222 Laozi 2,184 Lownes Science Collection (Brown University) 2,131 Lully, Jean-Baptiste, 1632-1687 2,056 Lu, Xun, 1881-1936 2,032 Lawrence, D. H (David Herbert), 1885-1930 1,949 Locke, John, 1632-1704 1,947 Library of Theodore Dreiser (University of Pennsylvania) 1,942 La Fontaine, Jean de, 1621-1695 1,928 Laura Jan Meyerson Poetry Fund 1,926 Lipman Criminology Library Fund 1,870 Library of Congress Government Division 1,858 Lester Ziffren Collection of Tauromachia 1,834 Louis XVI, King of France, 1754-1793 1,800 Lang, Andrew, 1844-1912 1,791 Laughlin Collection (Brown University) 1,789 Library of Congress Congressional Research Service. Resources, Science, and Industry Division 1,776 Lutosławski, Witold, 1913-1994 1,740 L'Estrange, Roger, Sir, 1616-1704 1,726 Library of Congress Congressional Research Service. American Law Division 1,705 London, Jack, 1876-1916 1,692 Le Corbusier, 1887-1965 1,687 Lucian, of Samosata 1,680 Loewe, Carl, 1796-1869 1,661 Leonardo, da Vinci, 1452-1519 1,657 Lamb, Charles, 1775-1834 1,630 Library of Congress Copyright Office 1,593 Library of Congress Division of Bibliography 1,566 Landon, H. C. Robbins (Howard Chandler Robbins), 1926-2009 1,552 Lowell, James Russell, 1819-1891 1,546 Library of Congress Foreign Affairs Division 1,542 Luo, Zhenyu, 1866-1940 1,476 Levine, James, 1943-2021 1,461 Leonard L. Milberg Irish Theater Collection 1,446 Lamartine, Alphonse de, 1790-1869 1,424 Lehár, Franz, 1870-1948 1,423 Leonard S. Marcus Collection of Children's Literature (Beinecke Rare Book and Manuscript Library) 1,392 Leopardi, Giacomo, 1798-1837 1,339 Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716 1,322 Leonhardt, Gustav, 1928-2012 1,292 Lucretius Carus, Titus 1,284 Ligeti, György, 1923-2006 1,280 Louisiana 1,224 Ligaran 1,214 London Symphony Chorus 1,169 Leroy T. Walker Africa News Service Archives 1,156 Lincoln Laboratory 1,153 Literatura de Cordel Collection (Columbia University. Libraries) 1,125 Los Angeles County Museum of Art 1,123 Ludwig, Christa 1,121 Large, Brian 1,120 Le Sage, Alain René, 1668-1747 1,108 Lily, William, 1468?-1522 1,100 Lasso, Orlando di 1,098 Louisville Orchestra 1,089 Lehár, Franz, 1870-1948 1,082 League of Nations Council 1,081 Loti, Pierre, 1850-1923 1,072 Llull, Ramon, 1232?-1316 1,067 Liang, Qichao, 1873-1929 1,062 Lipsius, Justus, 1547-1606 1,062 Louis XV, King of France, 1710-1774 1,050 Leinsdorf, Erich, 1912-1993 1,035 Loofs, Friedrich, 1858-1928 1,028 Li, Tiaoyuan, 1734-1803 1,023 Limited Editions Club 1,012 Louis XIV, King of France, 1638-1715 1,011 Library of Congress Federal Research Division 999 Luo, Guanzhong, approximately 1330-approximately 1400 994