Book 24,354 Serial 11,967 Government Document 2,146 Journal 1,495 Electronic 501 Conference Proceeding 159 Map 47 Kit 32 Thesis 21 Unknown 13 Reference Material 9 Book Chapter 8 Article 7 Newspaper 3 Manuscript 2 Audio 1 Musical Score 1 Photo 1 see all ...

H - Social Science 5,933 Z - Library Science 2,839 L - Education 1,745 T - Technology 1,548 J - Political Science 1,338 D - World History 1,251 C - Historical Sciences 1,225 Q - Science 1,013 P - Language and Literature 953 F - General American History 887 A - General Works 744 R - Medicine 716 N - Fine Arts 689 B - Philosophy, Psychology, Religion 630 G - Geography, Anthropology, Recreation 513 K - Law 481 M - Music 433 S - Agriculture 349 E - United States History 343 U - Military Science 96 V - Naval Science 23 see all ...

Library of Congress Congressional Research Service 576 Unesco 127 Gotham Book Mart Collection (University of Pennsylvania) 76 Gale Research Company 72 United States Central Intelligence Agency. Directorate of Intelligence 69 Gale Research Inc 67 National Foreign Assessment Center (U.S.) 66 Peterson's Guides, Inc 66 United States Health Care Financing Administration 64 United States Central Intelligence Agency 62 Organisation for Economic Co-operation and Development Development Centre 59 Council of State Governments 57 R.L. Polk & Co 57 United States Office of Education 51 R.R. Bowker Company 50 United Nations Industrial Development Organization 50 Harris Collection of American Poetry and Plays (Brown University) Reference Works 48 Child, Hamilton, 1836- 47 United States Environmental Protection Agency. Office of Emergency and Remedial Response. Office of Program Management 47 United States Congress. Senate 45 Food and Agriculture Organization of the United Nations 44 Foundation Center 43 Unesco Science Cooperation Office for Latin America 42 Commission of the European Communities 41 United States Administration on Aging 39 United States Bureau of International Labor Affairs 37 United States National Technical Information Service 36 National Institutes of Health (U.S.) 35 United States Congress. Joint Committee on Defense Production 35 Jaques Cattell Press 34 see all ...

English 29,106 French 1,709 German 1,510 Spanish 1,466 Chinese 1,104 Russian 898 Japanese 793 Indonesian 384 Italian 346 Portuguese 300 Thai 246 Arabic 218 Hebrew 191 Korean 139 Polish 132 Multiple 130 Dutch 111 Czech 102 Ukrainian 79 Turkish 71 Persian 66 Vietnamese 64 Croatian 60 Latin 58 Swedish 42 Danish 40 Malay 36 Hindi 35 Hungarian 34 Bulgarian 30 see all ...

Directories 26,629 Periodicals 2,024 Bibliography 1,515 Directory 1,368 History 821 Biography 742 Bibliographies 739 Répertoires 726 directories 650 Catalogs 435 Handbooks, manuals, etc 435 Statistics 380 Dictionaries 376 Guidebooks 345 Registers 337 Biographies 333 Handbooks and manuals 321 Registers (Lists) 203 Telephone directories 160 City directories 158 Bio-bibliography 153 Maps 143 Sources 130 Indexes 124 Electronic books 93 Genealogy 92 Répertoires 84 Gazetteers 76 Conference papers and proceedings 61 Early works to 1800 59 see all ...

20th century 345 1900-1999 136 1900 - 1999 108 19th century 96 1945- 57 1991- 52 Since 1991 38 1976- 37 18th century 31 Since 1945 27 1800-1899 24 1800 - 1899 20 1989- 20 1990- 19 1960- 18 Early works to 1800 17 Since 1976 16 1949- 15 1789 - 1799 14 1800 14 1800-1999 14 1789-1799 13 1939 - 1945 13 1939-1945 13 1975- 13 1985-1991 13 1951- 12 Revolution, 1789-1799 12 17th century 11 1800 - 1999 11 see all ...

United States 8,804 Canada 1,559 Great Britain 1,095 China 941 New York (State) 891 Japan 838 California 724 India 676 Europe 654 Germany 567 Indonesia 521 France 489 Russia (Federation) 486 Pennsylvania 403 Soviet Union 348 Thailand 343 Illinois 340 New York 313 Latin America 296 Germany (West) 276 Taiwan 274 Philadelphia 270 Africa 263 England 261 Asia 256 Mexico 253 Brazil 252 New Jersey 238 Philippines 238 Italy 235 see all ...