Gotham Book Mart Collection (University of Pennsylvania) 47,319 United States Congress 18,301 United States 18,258 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 17,916 De Gruyter 17,816 ebrary, Inc 17,770 Horace Howard Furness Memorial Library (University of Pennsylvania) 17,612 Shakespeare, William, 1564-1616 15,706 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 14,732 Culture Class Collection (University of Pennsylvania) 11,691 St. Martin's Press/Tor Archive (Brown University) 11,448 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 10,496 Fiske Icelandic Collection 8,165 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 7,947 ProQuest (Firm) 7,224 Linckesche Leihbibliothek 6,872 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 6,768 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 6,627 American Culture Class Collection (University of Pennsylvania) 6,238 Rosengarten Family Fund 6,193 Comics Collection (University of Pennsylvania) 5,825 Harold Jantz Collection of German Baroque Literature and German Americana 5,760 Warner Home Video (Firm) 5,669 Sallie Bingham Center for Women's History and Culture 5,315 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 5,285 Julio Mario Santo Domingo Collection 5,265 Goethe, Johann Wolfgang von, 1749-1832 4,899 Alumni and Friends Memorial Book Fund 4,447 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 4,427 Duke University Library. Lanson Collection 4,375 Committee on Institutional Cooperation 4,334 Indiana University Digital Library Program 4,270 Cicero, Marcus Tullius 4,245 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 4,179 Steven Rothman Collection of Comics, Cartoons, and Graphic Novels (University of Pennsylvania) 4,013 English Culture Class Collection (University of Pennsylvania) 3,775 Dante Alighieri, 1265-1321 3,709 Dickens, Charles, 1812-1870 3,651 Edwin and Terry Murray Collection (David M. Rubenstein Rare Book & Manuscript Library) 3,606 David E. Pingree Collection (Brown University) 3,531 NetLibrary, Inc 3,375 Homer 3,244 Harris Collection of American Poetry and Plays (Brown University) Plays, 1976-2000 3,192 ProQuest ebook central 3,180 Twentieth Century Fox Home Entertainment, Inc 3,163 Leonard L. Milberg Collection of American Poetry 3,149 Adam Matthew Digital (Firm) 3,143 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 3,114 Virgil 3,101 Cervantes Saavedra, Miguel de, 1547-1616 3,088 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 3,083 Criterion Collection (Firm) 3,076 Horace Howard Furness Memorial Fund 2,951 Parke-Bernet Galleries 2,942 Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library) 2,930 Shou du tu shu guan 2,903 Qing Menggu Che wang fu cang qu ben bian ji wei yuan hui 2,895 Beijing gu ji chu ban she 2,894 Katzoff Collection (Brown University) 2,870 Harris Collection of American Poetry and Plays (Brown University) Plays, 1951-1975 2,825 Scott, Walter, 1771-1832 2,728 Horace 2,681 Euripides 2,634 Pillar Collection (Brown University) 2,526 Penn Sexuality Collection (University of Pennsylvania) 2,519 Project Muse 2,510 Clements C. Fry Collection of Medical Prints and Drawings (Yale Medical Library, Historical Library) 2,492 Lovecraft Collection (Brown University) 2,464 Metro-Goldwyn-Mayer 2,462 Ovid, 43 B.C.-17 A.D. or 18 A.D 2,446 Milton, John, 1608-1674 2,418 Kipling, Rudyard, 1865-1936 2,331 Stevenson, Robert Louis, 1850-1894 2,329 Joanna Banks Collection of African American Books (University of Pennsylvania) 2,321 Twentieth Century-Fox Film Corporation 2,242 Molière, 1622-1673 2,234 Aristotle 2,227 Leona Bowman Carpenter Collection of English and American Literature 2,208 Collection of British and American Fiction, 1660-1830 (University of Pennsylvania) 2,204 Sophocles 2,196 EBSCOhost 2,173 Samuel R. Delany Library (Beinecke Rare Book and Manuscript Library) Reading Library 2,155 Terry Belanger Collection 2,153 Paramount Pictures Corporation 2,143 Gift of the William Way LGBT Community Center (University of Pennsylvania) 2,130 WPA Film Library 2,123 Twain, Mark, 1835-1910 2,122 Mark B. Adams Science Fiction Collection (University of Pennsylvania) 2,121 Anne and Joseph Trachtman Memorial Book Fund 2,087 Tolstoy, Leo, graf, 1828-1910 2,075 Gay Pulp Fiction (Brown University) 2,046 Wordsworth Collection 2,037 Balzac, Honoré de, 1799-1850 2,035 Hugo, Victor, 1802-1885 1,984 Johnson, Samuel, 1709-1784 1,979 Harris Collection of American Poetry and Plays (Brown University) Plays, 2001-2025 1,932 Voltaire, 1694-1778 1,880 Laura Jan Meyerson Poetry Fund 1,878 James, Henry, 1843-1916 1,871 Schiller, Friedrich, 1759-1805 1,860