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