Book 261,565 Electronic 62,367 Government Document 35,165 Reference Material 10,136 Serial 7,683 Conference Proceeding 5,595 Journal 4,605 Map 4,186 Newspaper 3,717 Unknown 2,665 Musical Score 2,342 Audio 2,282 Manuscript 1,146 Kit 891 Thesis 645 Book Chapter 613 Photo 524 Article 10 Physical Object 5 see all ...

C - Historical Sciences 100,184 M - Music 26,099 Z - Library Science 19,250 H - Social Science 11,010 P - Language and Literature 9,242 J - Political Science 8,813 K - Law 7,520 E - United States History 7,182 D - World History 7,037 F - General American History 4,968 G - Geography, Anthropology, Recreation 4,253 B - Philosophy, Psychology, Religion 3,963 N - Fine Arts 3,276 A - General Works 3,191 Q - Science 3,131 L - Education 2,730 T - Technology 2,641 R - Medicine 2,219 S - Agriculture 1,551 U - Military Science 663 V - Naval Science 224 see all ...

Library of Congress Congressional Research Service 91,684 Library of Congress 4,870 Library of Congress Legislative Reference Service 3,992 Library of Congress Government Division 1,858 Library of Congress Congressional Research Service. Resources, Science, and Industry Division 1,776 Library of Congress Congressional Research Service. American Law Division 1,707 Library of Congress Copyright Office 1,599 Library of Congress Division of Bibliography 1,566 Library of Congress Foreign Affairs Division 1,542 United States Central Intelligence Agency 1,191 Library of Congress Federal Research Division 1,048 Library of Congress Manuscript Division 882 United States 816 Library of Congress Foreign Affairs and National Defense Division 792 American Imprint Collection (Library of Congress) 759 YA Pamphlet Collection (Library of Congress) 748 Joseph Meredith Toner Collection (Library of Congress) 684 United States Congress 658 Library of Congress Law Library 594 Library of Congress Subject Cataloging Division 575 Pforzheimer Bruce Rogers Collection (Library of Congress) 572 Paul Avrich Collection (Library of Congress) 546 Library of Congress National Library Service for the Blind and Physically Handicapped 536 Pre-1801 Imprint Collection (Library of Congress) 531 Miscellaneous Pamphlet Collection (Library of Congress) 525 Sanborn Map Company 519 Gotham Book Mart Collection (University of Pennsylvania) 517 National Foreign Assessment Center (U.S.) 502 Rouben Mamoulian Collection (Library of Congress) 494 Griffin, Appleton P. C (Appleton Prentiss Clark), 1852-1926 468 see all ...

English 235,979 Indonesian 26,556 Chinese 8,500 French 6,705 German 4,114 Spanish 3,058 Burmese 2,343 Latin 2,135 Thai 1,991 Italian 1,868 Russian 1,800 No linguistic content 1,265 Portuguese 560 Japanese 511 Undetermined 499 Arabic 469 Persian 400 Dutch 354 Malay 321 Ancient Greek 307 Hebrew 297 Hindi 263 Sanskrit 254 Urdu 225 Vietnamese 225 Multiple 205 Polish 178 Yiddish 162 Pali 158 Javanese 151 see all ...

Electronic books 16,197 Periodicals 8,456 Bibliography 8,035 History 6,636 Early works to 1800 6,193 Congresses 4,817 Maps 4,395 Conference papers and proceedings 3,868 Rules and practice 3,785 Statistics 3,571 Early works 3,346 Newspapers 3,255 Bibliographies 3,126 Catalogs 2,825 Biography 2,702 Fiction 2,035 Biographies 1,875 Sources 1,638 Sermons 1,526 Poetry 1,378 Controversial literature 1,128 Legislative materials 1,126 Criticism, interpretation, etc 1,030 Drama 1,019 Scores 976 Broadsides 971 Fire insurance maps 948 Directories 901 Facsimiles 826 Booksellers' advertisements 756 see all ...

20th century 2,428 19th century 1,625 Early works to 1800 1,507 Civil War, 1861-1865 1,350 18th century 1,289 Revolution, 1775-1783 1,265 Civil war 948 1900-1999 926 1861-1865 723 Revolution 673 1775-1783 659 1809-1865 623 1732-1799 579 Colonial period, ca. 1600-1775 522 1800-1899 482 1700-1799 477 17th century 458 21st century 448 1775-1865 442 1900 - 1999 358 1800 352 Colonial period 303 16th century 285 1945- 264 To 1775 241 1743-1826 226 War of 1812 221 1797-1801 214 1857-1861 205 Revolution, 1789-1799 201 see all ...

United States 58,695 Indonesia 15,581 China 4,148 Great Britain 3,891 Soviet Union 2,372 France 2,104 India 2,042 New York (State) 2,035 Pennsylvania 1,942 Massachusetts 1,896 Japan 1,849 Washington (D.C.) 1,730 Mexico 1,694 Europe 1,645 Canada 1,640 England 1,474 Thailand 1,274 Russia 1,196 California 1,195 Germany 1,192 New York 1,062 Pakistan 1,049 America 1,041 Africa 1,017 Iraq 1,003 Connecticut 935 Latin America 916 Iran 912 Burma 901 Philadelphia 859 see all ...