Llyfr 17,762 Anhysbys 336 Traethawd Ymchwil 180 Cylchgrawn 174 Dogfen y Llywodraeth 139 Sain 126 Trafodyn Cynhadledd 104 Cit 86 Cyfresol 65 Electronig 15 Llawysgrif 15 Sgôr Cerddorol 10 Deunydd Cyfeirio 8 Pennod Llyfr 4 Map 1 Papur Newydd 1 Llun 1 Gweld pob un ...

P - Iaith a Llenyddiaeth 5,544 E - Hanes yr Unol Daleithiau 2,836 N - Celfyddyd Gain 2,625 H - Gwyddor Gymdeithasol 1,588 D - Hanes y Byd 1,080 B - Athroniaeth, Seicoleg, Crefydd 727 J - Gwyddor Gwleidyddiaeth 456 U - Gwyddor Filwrol 347 M - Cerddoriaeth 346 F - Hanes Americanaidd Cyffredinol 311 Z - Gwyddor Llyfrgell 305 G - Daearyddiaeth, Anthropoleg, Hamdden 267 T - Technoleg 245 L - Addysg 198 K - Y Gyfraith 161 C - Gwyddorau Hanesyddol 143 R - Meddygaeth 124 Q - Gwyddoniaeth 118 V - Gwyddor Lyngesol 103 A - Gwaith Cyffredinol 56 S - Amaethyddiaeth 47 Gweld pob un ...

Gotham Book Mart Collection (University of Pennsylvania) 1,040 St. Martin's Press/Tor Archive (Brown University) 110 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 96 Julio Mario Santo Domingo Collection 91 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 83 Harris Collection of American Poetry and Plays (Brown University) Reference Works 82 Joanna Banks Collection of African American Books (University of Pennsylvania) 78 Leonard L. Milberg Collection of American Poetry 73 Sallie Bingham Center for Women's History and Culture 64 Katzoff Collection (Brown University) 63 Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library) 60 Whitney Museum of American Art 58 National Bureau of Economic Research 50 John Barth Collection 49 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 46 Laughlin Collection (Brown University) 41 American Culture Class Collection (University of Pennsylvania) 40 Culture Class Collection (University of Pennsylvania) 40 Wright, Frank Lloyd, 1867-1959 40 Harris Collection of American Poetry and Plays (Brown University) Periodicals 37 Museum of Modern Art (New York, N.Y.) 36 Ginsberg, Allen, 1926-1997 35 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 33 Goodman, Paul, 1911-1972 31 Leonard L. Milberg Collection of Jewish American Writers 30 Samuel R. Delany Library (Beinecke Rare Book and Manuscript Library) Reading Library 30 Vidal, Gore, 1925-2012 30 John Penman Wood Fund 28 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 27 Updike, John 26 Gweld pob un ...

English 17,401 German 391 French 270 Spanish 196 Italian 148 Japanese 125 Chinese 113 Russian 109 Korean 46 No linguistic content 43 Hebrew 25 Portuguese 21 Polish 19 Arabic 18 Dutch 18 Multiple 14 Vietnamese 14 Indonesian 9 Swedish 8 Hungarian 7 Thai 6 Undetermined 6 Yiddish 6 Czech 5 Norwegian 5 Danish 4 Turkish 4 Finnish 3 Greek 3 Hindi 3 Gweld pob un ...

History 11,142 Biography 3,405 Biographies 2,962 Criticism, interpretation, etc 2,817 Exhibition catalogs 1,251 Exhibitions 1,142 Autobiographies 784 Fiction 686 Catalogs 415 Interviews 329 Sources 275 Periodicals 261 Correspondence 242 Bibliography 241 Records and correspondence 225 Military history 224 collective biographies 220 Pictorial works 215 Church history 213 Poetry 195 Electronic books 188 Conference papers and proceedings 184 Short stories 180 Case studies 178 Congresses 174 Poems 164 Bibliographies 162 Personal narratives 159 Personal correspondence 158 Documentary films 138 Gweld pob un ...