Llyfr 494,726 Electronig 7,412 Anhysbys 4,103 Cylchgrawn 3,838 Sain 2,462 Traethawd Ymchwil 2,040 Cyfresol 1,390 Pennod Llyfr 1,352 Dogfen y Llywodraeth 1,042 Trafodyn Cynhadledd 779 Cit 310 Llawysgrif 218 Sgôr Cerddorol 216 Llun 62 Deunydd Cyfeirio 35 Papur Newydd 11 Gwrthrych Ffisegol 7 Map 5 Erthygl 1 Gweld pob un ...

P - Iaith a Llenyddiaeth 506,006 H - Gwyddor Gymdeithasol 1

Gotham Book Mart Collection (University of Pennsylvania) 21,974 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 14,080 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 11,170 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 7,563 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 6,743 St. Martin's Press/Tor Archive (Brown University) 6,241 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 5,725 Culture Class Collection (University of Pennsylvania) 4,577 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 4,540 American Culture Class Collection (University of Pennsylvania) 4,526 Committee on Institutional Cooperation 3,750 Indiana University Digital Library Program 3,716 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 3,673 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 3,227 ebrary, Inc 2,915 Leonard L. Milberg Collection of American Poetry 2,637 Harris Collection of American Poetry and Plays (Brown University) Plays, 1976-2000 2,360 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 2,260 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 2,250 Sallie Bingham Center for Women's History and Culture 2,176 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 2,081 Gay Pulp Fiction (Brown University) 2,039 Katzoff Collection (Brown University) 2,009 Harris Collection of American Poetry and Plays (Brown University) Plays, 1951-1975 1,997 Penn Sexuality Collection (University of Pennsylvania) 1,947 Lovecraft Collection (Brown University) 1,938 Twain, Mark, 1835-1910 1,804 Gift of the William Way LGBT Community Center (University of Pennsylvania) 1,684 Harris Collection of American Poetry and Plays (Brown University) Plays, 2001-2025 1,476 Joanna Banks Collection of African American Books (University of Pennsylvania) 1,457 Gweld pob un ...

English 492,777 French 7,345 Spanish 4,353 German 4,232 Italian 2,309 Chinese 1,538 Japanese 1,227 Hebrew 1,141 Russian 1,129 Polish 601 Portuguese 507 Dutch 437 Swedish 376 Czech 355 Korean 341 Greek 332 Danish 300 Undetermined 287 Turkish 242 Norwegian 233 Arabic 229 Hungarian 201 Thai 195 Latin 170 Finnish 167 Romanian 142 Vietnamese 139 Multiple 121 Yiddish 116 Armenian 94 Gweld pob un ...

Fiction 170,210 Poetry 51,986 Criticism, interpretation, etc 28,183 Electronic books 23,615 Novels 19,171 Biography 17,378 Drama 16,637 History 16,565 Mystery fiction 14,016 Biographies 13,071 Poésie 11,788 poetry 11,548 Historical fiction 11,457 Romans, nouvelles, etc 10,779 Domestic fiction 10,369 Short stories 10,044 Science fiction 9,493 Detective and mystery fiction 9,450 Psychological fiction 8,108 Romans 8,002 Love stories 7,395 Fantasy fiction 6,845 Juvenile fiction 6,468 Romance fiction 6,226 Thrillers (Fiction) 6,127 Suspense fiction 5,841 Juvenile works 5,564 Periodicals 4,888 Detective and mystery stories 4,582 Poems 4,458 Gweld pob un ...

20th century 55,462 1900-1999 30,307 19th century 16,843 21st century 16,475 1900 - 1999 12,836 2000-2099 10,390 1800-1899 7,208 20e siècle 2,683 Civil War, 1861-1865 2,629 1800 - 1899 2,521 1819-1892 1,783 2000 - 2099 1,755 1835-1910 1,748 1897-1962 1,603 1888-1965 1,564 1819-1891 1,541 1843-1916 1,523 1939-1945 1,510 1890-1937 1,459 1809-1849 1,429 1899-1961 1,370 Revolution, 1775-1783 1,309 18th century 1,267 20e siècle 1,258 Colonial period, ca. 1600-1775 1,247 1803-1882 1,218 1817-1862 1,160 1885-1972 1,110 1804-1864 1,068 1874-1963 1,059 Gweld pob un ...

United States 45,899 New York (State) 12,281 New York 9,569 California 9,180 New York (N.Y.) 6,444 Southern States 4,214 Massachusetts 4,177 England 3,868 Texas 2,596 France 2,436 Los Angeles 2,422 West (U.S.) 2,255 États-Unis 2,143 Great Britain 2,136 Illinois 2,101 Los Angeles (Calif.) 1,964 Maine 1,952 Pennsylvania 1,942 New England 1,905 USA 1,894 North Carolina 1,851 Florida 1,711 Chicago (Ill.) 1,708 Chicago 1,617 San Francisco 1,610 Louisiana 1,563 Boston 1,477 San Francisco (Calif.) 1,469 Italy 1,379 Virginia 1,302 Gweld pob un ...