Llyfr 1,164,149 Dogfen y Llywodraeth 230,293 Cyfresol 88,640 Anhysbys 72,728 Electronig 55,733 Cylchgrawn 52,026 Sain 30,169 Trafodyn Cynhadledd 25,001 Llun 21,554 Cit 18,829 Map 15,189 Sgôr Cerddorol 10,310 Deunydd Cyfeirio 9,876 Traethawd Ymchwil 8,464 Llawysgrif 6,364 Papur Newydd 2,200 Pennod Llyfr 1,418 Gwrthrych Ffisegol 843 Erthygl 168 Gweld pob un ...

H - Gwyddor Gymdeithasol 157,592 L - Addysg 144,989 K - Y Gyfraith 135,296 E - Hanes yr Unol Daleithiau 117,963 P - Iaith a Llenyddiaeth 113,221 M - Cerddoriaeth 40,470 N - Celfyddyd Gain 34,610 Z - Gwyddor Llyfrgell 32,438 G - Daearyddiaeth, Anthropoleg, Hamdden 30,212 J - Gwyddor Gwleidyddiaeth 28,406 T - Technoleg 27,788 R - Meddygaeth 27,568 D - Hanes y Byd 25,580 F - Hanes Americanaidd Cyffredinol 24,392 B - Athroniaeth, Seicoleg, Crefydd 22,599 Q - Gwyddoniaeth 15,304 C - Gwyddorau Hanesyddol 14,899 U - Gwyddor Filwrol 12,270 S - Amaethyddiaeth 11,321 A - Gwaith Cyffredinol 9,347 V - Gwyddor Lyngesol 2,823 Gweld pob un ...

United States Congress 126,386 United States Congress. House 72,043 United States Congress. House. Committee on Invalid Pensions 49,613 United States Congress. Senate. Committee on Pensions 48,101 United States Congress. House. Committee on Claims 32,332 United States Congress. Senate. Committee on Claims 27,620 United States Bureau of the Census 22,232 United States Congress. House. Committee on the Judiciary 21,497 United States Congress. Senate. Committee on the Judiciary 20,643 United States Congress. House. Committee on War Claims 15,295 United States 14,882 United States Congress. House. Committee on Military Affairs 10,819 United States Congress. Senate. Committee on Military Affairs 8,367 De Gruyter 8,239 United States Congress. House. Committee on Pensions 7,320 Gotham Book Mart Collection (University of Pennsylvania) 7,240 ebrary, Inc 6,443 Films for the Humanities & Sciences (Firm) 6,095 Films Media Group 5,893 United States Court of Claims 5,011 Alexander Street Press 4,815 United States Bureau of Labor Statistics 4,510 Geological Survey (U.S.) 4,464 United States Congress House 4,391 National Center for Education Statistics 3,991 Ḳol Yiśraʼel 3,754 United States Congress. House. Committee on Revolutionary Pensions 3,419 Inter-university Consortium for Political and Social Research 3,394 United States Department of State 3,236 United States Department of the Army 3,200 Gweld pob un ...

English 1,401,688 French 17,483 No linguistic content 17,223 Spanish 16,581 German 11,550 Hebrew 9,588 Yiddish 5,522 Chinese 4,462 Japanese 3,973 Italian 3,897 Russian 3,604 Korean 1,764 Portuguese 1,602 Arabic 1,313 Polish 1,233 Undetermined 1,142 Multiple 929 Dutch 848 Czech 677 Swedish 647 Vietnamese 564 Ukrainian 517 Thai 458 Latin 455 Greek 454 Turkish 420 Norwegian 417 Persian 395 Hungarian 368 Danish 312 Gweld pob un ...

20th century 91,815 Civil War, 1861-1865 47,899 19th century 45,622 1900-1999 38,675 Revolution, 1775-1783 27,175 1900 - 1999 16,890 1861-1865 16,548 21st century 15,191 1800-1899 12,709 1775-1783 10,468 18th century 9,177 1861 - 1865 8,264 War of 1812 6,683 2000-2099 6,248 20e siècle 5,907 1800 - 1899 5,528 Colonial period, ca. 1600-1775 5,425 1945- 5,399 1945-1989 5,078 1933-1945 4,663 1809-1865 4,633 1775 - 1783 4,608 1939-1945 4,299 1946- 3,969 20e siècle 2,894 1800-1999 2,821 1961-1970 2,630 1783-1865 2,511 1732-1799 2,506 1989- 2,473 Gweld pob un ...