Bog 80,390 Serial 5,649 Tidsskrift 3,041 Government Document 2,653 Conference Proceeding 713 Thesis 427 Electronisk 424 Pakke 132 Book Chapter 83 Kort 69 Håndskrift 67 Reference Material 17 Ukendt 16 Article 10 Musical Score 9 Audio 6 Avis 3 Foto 3 se alt ...

Z - Library Science 44,595 C - Historical Sciences 4,708 D - World History 3,806 P - Language and Literature 2,754 H - Social Science 2,418 K - Law 2,124 M - Music 1,987 F - General American History 1,072 Q - Science 939 B - Philosophy, Psychology, Religion 874 N - Fine Arts 617 E - United States History 584 L - Education 584 G - Geography, Anthropology, Recreation 576 A - General Works 569 J - Political Science 521 R - Medicine 350 S - Agriculture 307 T - Technology 297 U - Military Science 91 V - Naval Science 32 se alt ...

Library of Congress Congressional Research Service 438 Library of Congress 324 Geological Survey (U.S.) 292 Library of Congress Division of Bibliography 223 Harris Collection of American Poetry and Plays (Brown University) Reference Works 222 Gotham Book Mart Collection (University of Pennsylvania) 219 Great Britain Public Record Office 197 Vance, Mary A 195 Fiske Icelandic Collection 191 White, Anthony G 185 Horace Howard Furness Memorial Library (University of Pennsylvania) 173 Harmon, Robert B (Robert Bartlett), 1932- 143 National Criminal Justice Reference Service (U.S.) 138 United States National Archives and Records Service 136 Archivo General de la Nación (Mexico) 132 Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina 126 Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina 121 Archives nationales (France) 119 United States Bureau of the Census 118 Institut nauchnoĭ informat︠s︡ii po obshchestvennym naukam (Akademii︠a︡ nauk SSSR) 111 New York Public Library 109 Akademii︠a︡ nauk SSSR Biblioteka 108 National Archives (U.S.) 108 British Library 103 McMurtrie, Douglas C (Douglas Crawford), 1888-1944 103 Fraunhofer-Gesellschaft Informationszentrum Raum und Bau 102 Archivo General de la Nación (Mexico) 99 Library of Congress Legislative Reference Service 97 David E. Pingree Collection (Brown University) 95 Gosudarstvennai͡a publichnai͡a biblioteka imeni M.E. Saltykova-Shchedrina 95 se alt ...

English 48,516 French 7,511 German 7,393 Spanish 5,657 Russian 4,859 Chinese 3,324 Italian 2,966 Japanese 2,725 Portuguese 1,316 Dutch 1,138 Polish 1,049 Arabic 765 Latin 707 Czech 601 Hebrew 584 Multiple 553 Ukrainian 457 Korean 412 Turkish 394 Swedish 362 Hungarian 355 Danish 326 Indonesian 324 Greek 307 Bulgarian 288 Persian 269 Croatian 209 Slovak 185 Thai 184 Norwegian 174 se alt ...

Bibliography 63,652 Bibliographies 35,334 Catalogs 17,250 History 13,860 Periodicals 5,828 Imprints 2,415 bibliographies 2,119 Biography 1,967 Sources 1,922 Criticism, interpretation, etc 1,646 Indexes 1,354 Union lists 1,337 Biographies 1,327 Union catalogs 1,307 Bibliographie 1,228 Directories 1,034 Exhibitions 1,011 Bio-bibliography 858 Exhibition catalogs 837 Catalogues 765 Bibliography of bibliographies 715 Local history 689 Abstracts 647 Union lists (Library catalogs) 617 catalogs (documents) 544 Maps 473 Congresses 452 Church history 436 Microform catalogs 426 Early works to 1800 419 se alt ...

20th century 2,517 19th century 1,226 1900-1999 1,083 18th century 956 1900 - 1999 795 16th century 709 17th century 576 1945- 401 1800-1899 393 1700-1799 342 1500-1599 291 Revolution, 1789-1799 264 1800 - 1899 259 1939-1945 234 Since 1945 217 Early modern, 1500-1700 214 1700 - 1799 189 Civil War, 1861-1865 186 Early works to 1800 178 Revolution, 1775-1783 172 Colonial period, ca. 1600-1775 161 1600-1699 155 1564-1616 146 1500 - 1599 136 1939 - 1945 130 To 1500 130 1800-1999 126 1933-1945 118 1500 - 1700 112 Revolution, 1917-1921 110 se alt ...