Journal 356,321 Serial 290,369 Government Document 83,749 Electronic 17,947 Book 17,762 Conference Proceeding 4,553 Newspaper 4,506 Kit 892 Reference Material 630 Article 479 Unknown 411 Map 134 Thesis 100 Manuscript 93 Book Chapter 68 Audio 35 Photo 20 Musical Score 18 Physical Object 16 see all ...

H - Social Science 129,417 Q - Science 36,950 P - Language and Literature 33,858 T - Technology 30,847 R - Medicine 25,824 K - Law 23,318 D - World History 23,026 B - Philosophy, Psychology, Religion 20,308 L - Education 16,271 N - Fine Arts 15,231 Z - Library Science 15,114 J - Political Science 13,908 S - Agriculture 12,672 A - General Works 12,271 G - Geography, Anthropology, Recreation 10,429 M - Music 8,582 F - General American History 8,331 E - United States History 6,293 C - Historical Sciences 4,712 U - Military Science 4,688 V - Naval Science 1,247 see all ...

Datamonitor (Firm) 6,942 Federal Financial Institutions Examination Council (U.S.) 6,719 United States Bureau of Labor Statistics 5,409 United States Bureau of the Census 4,603 Harris Collection of American Poetry and Plays (Brown University) Periodicals 4,147 Adam Matthew Digital (Firm) 4,146 Gotham Book Mart Collection (University of Pennsylvania) 3,107 Economist Intelligence Unit (Great Britain) 2,758 United States Internal Revenue Service 1,931 Mortgage Insurance Companies of America 1,904 Organisation for Economic Co-operation and Development 1,499 United States Bureau of Mines 1,230 United States Department of Agriculture. Economic Research Service 1,209 Vale Zines Collection (Beinecke Rare Book and Manuscript Library) 1,140 United States Agricultural Research Service 1,103 Geological Survey (U.S.) 1,068 Statistical Office of the European Communities 1,052 Institute of Electrical and Electronics Engineers 1,031 National Climatic Center 1,005 National Climatic Data Center (U.S.) 1,004 Edwin and Terry Murray Collection (David M. Rubenstein Rare Book & Manuscript Library) 983 International Monetary Fund 978 United States Joint Publications Research Service 859 United States Foreign Broadcast Information Service 779 Sallie Bingham Center for Women's History and Culture 680 United States World Agricultural Outlook Board 677 National Science Foundation (U.S.) 668 Julio Mario Santo Domingo Collection 661 Australian Bureau of Statistics 631 United States Foreign Agricultural Service 593 see all ...

20th century 13,925 1945- 3,992 1900-1999 3,294 21st century 3,167 19th century 3,001 1900 - 1999 2,743 18th century 2,426 Since 1945 1,696 Civil War, 1642-1649 1,149 1800-1899 1,066 2000-2099 1,011 1945-1989 923 1989- 894 1960- 866 Civil War, 1861-1865 689 Early works to 1800 667 1991- 663 1642-1649 648 1918-1945 586 Commonwealth and Protectorate, 1649-1660 560 1700-1799 470 1918- 466 1990- 464 1947- 439 1603-1800 411 17th century 389 1979- 387 1900-2099 378 1939-1945 373 1980- 359 see all ...

United States 114,500 Great Britain 17,560 New York (State) 14,394 Canada 13,546 India 11,431 California 10,957 Massachusetts 6,956 Australia 6,278 Europe 6,267 Nigeria 6,111 England 6,083 China 6,050 Pennsylvania 5,232 New York 5,225 Japan 4,897 North Carolina 4,277 Illinois 4,257 Africa 4,232 South Africa 4,112 Philippines 3,914 Asia 3,697 New Jersey 3,005 Texas 2,819 Ohio 2,701 Indonesia 2,645 Israel 2,597 Connecticut 2,423 Michigan 2,312 Latin America 2,245 Developing countries 2,172 see all ...