Llyfr 54,985 Electronig 119 Llawysgrif 85 Dogfen y Llywodraeth 44 Cit 24 Sain 16 Pennod Llyfr 12 Traethawd Ymchwil 11 Trafodyn Cynhadledd 5 Cyfresol 2 Anhysbys 2 Gweld pob un ...

P - Iaith a Llenyddiaeth 50,798 D - Hanes y Byd 198 M - Cerddoriaeth 154 F - Hanes Americanaidd Cyffredinol 101 H - Gwyddor Gymdeithasol 90 Z - Gwyddor Llyfrgell 50 G - Daearyddiaeth, Anthropoleg, Hamdden 44 A - Gwaith Cyffredinol 42 B - Athroniaeth, Seicoleg, Crefydd 40 N - Celfyddyd Gain 36 E - Hanes yr Unol Daleithiau 29 K - Y Gyfraith 20 L - Addysg 16 R - Meddygaeth 15 S - Amaethyddiaeth 15 C - Gwyddorau Hanesyddol 14 J - Gwyddor Gwleidyddiaeth 12 Q - Gwyddoniaeth 9 T - Technoleg 8 Gweld pob un ...

Gotham Book Mart Collection (University of Pennsylvania) 1,206 Culture Class Collection (University of Pennsylvania) 773 American Culture Class Collection (University of Pennsylvania) 609 Rosengarten Family Fund 308 Wodehouse, P. G (Pelham Grenville), 1881-1975 279 Sallie Bingham Center for Women's History and Culture 269 Mark B. Adams Science Fiction Collection (University of Pennsylvania) 247 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 244 Alumni and Friends Memorial Book Fund 222 Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library) 219 Meade, L. T., 1844-1914 199 Penn Sexuality Collection (University of Pennsylvania) 199 Diversity Award Winning and Notable Children's and Young Adult Books (University of Pennsylvania) 176 Gift of the William Way LGBT Community Center (University of Pennsylvania) 171 Terry Belanger Collection 170 Katzoff Collection (Brown University) 165 English Culture Class Collection (University of Pennsylvania) 163 Naiad Press 150 Harold L. Tinker Collection (Brown University) 138 Austen, Jane, 1775-1817 133 John Baxter Olympia Press collection (Columbia University) 125 Dickens, Charles, 1812-1870 119 Library of Theodore Dreiser (University of Pennsylvania) 118 Olympia Press (Paris, France) 107 Julio Mario Santo Domingo Collection 105 Scott, Walter, 1771-1832 105 Greene, Graham, 1904-1991 104 Peter Burton Collection (Beinecke Rare Book and Manuscript Library) 101 Collection of British and American Fiction, 1660-1830 (University of Pennsylvania) 99 Samuel R. Delany Library (Beinecke Rare Book and Manuscript Library) Reading Library 99 Gweld pob un ...

English 32,329 Spanish 5,704 French 4,342 Arabic 3,438 German 3,380 Hebrew 2,296 Russian 1,907 Italian 1,004 Portuguese 677 Chinese 646 Polish 641 Japanese 549 Czech 504 Korean 395 Turkish 338 Swedish 300 Ukrainian 221 Swahili 217 Greek 167 Dutch 158 Norwegian 158 Hindi 150 Bengali 132 Danish 106 Catalan 104 Croatian 86 Tamil 84 Amharic 82 Hungarian 82 Persian 82 Gweld pob un ...

21st century 4,304 20th century 4,274 19th century 3,690 2000-2099 2,654 1900-1999 2,519 21e siècle 1,186 1800-1899 1,043 1939-1945 862 20e siècle 608 18th century 553 1901-1910 312 21e siècle 303 1900 - 1999 298 1700-1799 235 Civil War, 1861-1865 215 17th century 211 19e siècle 199 Civil War, 1936-1939 192 2000 - 2099 181 1921-1930 175 Revolution, 1775-1783 170 1911-1920 164 1914-1918 163 16th century 156 1961-1970 155 Early works to 1800 149 1951-1960 143 1800 - 1899 140 1939 - 1945 128 1971-1980 117 Gweld pob un ...