Llyfr 2,011,744 Anhysbys 116,327 Electronig 37,470 Cylchgrawn 26,181 Traethawd Ymchwil 20,581 Trafodyn Cynhadledd 16,517 Cyfresol 13,143 Sain 9,521 Dogfen y Llywodraeth 6,371 Pennod Llyfr 3,431 Llun 2,545 Cit 929 Llawysgrif 915 Sgôr Cerddorol 892 Deunydd Cyfeirio 597 Papur Newydd 515 Map 98 Gwrthrych Ffisegol 74 Erthygl 6 Gweld pob un ...

Gotham Book Mart Collection (University of Pennsylvania) 46,748 United States Congress 18,299 United States 18,254 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 17,851 ebrary, Inc 17,391 Horace Howard Furness Memorial Library (University of Pennsylvania) 16,393 Shakespeare, William, 1564-1616 14,852 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 14,687 De Gruyter 12,159 St. Martin's Press/Tor Archive (Brown University) 11,412 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 10,463 Culture Class Collection (University of Pennsylvania) 10,251 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 7,891 ProQuest (Firm) 6,855 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 6,703 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 6,583 American Culture Class Collection (University of Pennsylvania) 6,211 Comics Collection (University of Pennsylvania) 5,776 Warner Home Video (Firm) 5,579 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 5,230 Sallie Bingham Center for Women's History and Culture 5,112 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 4,381 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 4,126 Committee on Institutional Cooperation 4,067 Indiana University Digital Library Program 4,013 Steven Rothman Collection of Comics, Cartoons, and Graphic Novels (University of Pennsylvania) 4,006 English Culture Class Collection (University of Pennsylvania) 3,755 Rosengarten Family Fund 3,632 Edwin and Terry Murray Collection (David M. Rubenstein Rare Book & Manuscript Library) 3,599 Dickens, Charles, 1812-1870 3,542 Gweld pob un ...

Fiction 451,207 Criticism, interpretation, etc 166,990 Drama 126,678 Electronic books 120,650 Poetry 116,811 History 93,516 Biography 74,486 Biographies 56,270 Feature films 55,581 Novels 52,585 Translations into English 45,153 Juvenile fiction 40,327 Dictionaries 39,117 Translations 38,168 Periodicals 33,837 Juvenile works 32,011 Video recordings for the hearing impaired 30,261 Video recordings 28,240 Fiction films 25,563 Congresses 24,901 Historical fiction 24,807 Mystery fiction 24,563 Poésie 24,126 Short stories 23,892 poetry 23,384 Comic books, strips, etc 23,125 Romans 22,704 Romans, nouvelles, etc 20,317 Comics (Graphic works) 19,064 Juvenile literature 18,936 Gweld pob un ...

20th century 156,030 1900-1999 82,589 19th century 74,961 21st century 41,022 1800-1899 31,583 1900 - 1999 31,351 1564-1616 25,676 2000-2099 22,166 18th century 21,847 17th century 16,421 Early modern, 1500-1700 11,172 1800 - 1899 9,543 20e siècle 8,467 1700-1799 8,454 16th century 6,686 To 1500 6,125 1939-1945 5,676 1500-1700 5,630 Early works to 1800 5,291 1800-1999 5,075 1600-1699 4,939 1882-1941 4,441 Civil War, 1861-1865 4,313 Middle English, 1100-1500 4,273 21e siècle 4,156 1900-2099 4,047 20e siècle 4,032 19e siècle 3,747 Early modern and Elizabethan, 1500-1600 3,576 2000 - 2099 3,449 Gweld pob un ...

United States 124,857 England 70,543 Great Britain 52,408 New York (State) 23,094 France 22,069 New York 19,039 London 18,768 India 17,517 California 15,553 Ireland 14,540 China 11,968 Italy 11,626 Germany 10,783 New York (N.Y.) 10,456 Japan 9,944 Canada 9,800 London (England) 9,571 Europe 9,112 Scotland 8,673 Australia 7,910 Rome 7,103 Massachusetts 6,672 Spain 6,464 Africa 6,172 Greece 6,159 Southern States 5,519 South Africa 5,507 États-Unis 5,317 Los Angeles 5,196 Soviet Union 5,121 Gweld pob un ...