Book 622,592 Thesis 44,142 Unknown 11,306 Serial 9,668 Journal 8,409 Conference Proceeding 7,751 Map 6,455 Electronic 6,242 Kit 4,474 Audio 3,993 Photo 3,381 Musical Score 2,318 Government Document 2,105 Manuscript 1,567 Book Chapter 973 Newspaper 589 Reference Material 211 Physical Object 172 Article 16 see all ...

D - World History 130,161 H - Social Science 68,957 P - Language and Literature 54,445 N - Fine Arts 52,287 K - Law 36,638 B - Philosophy, Psychology, Religion 35,070 M - Music 18,781 G - Geography, Anthropology, Recreation 16,642 J - Political Science 16,626 L - Education 11,541 Q - Science 10,814 Z - Library Science 10,700 T - Technology 9,129 C - Historical Sciences 8,173 R - Medicine 6,321 A - General Works 6,014 U - Military Science 4,699 F - General American History 3,732 S - Agriculture 3,669 E - United States History 1,518 V - Naval Science 1,008 see all ...

Germany 6,033 De Gruyter 3,968 Culture Class Collection (University of Pennsylvania) 2,468 German Culture Class Collection (University of Pennsylvania) 2,371 AM (Publisher) 2,036 Braunschweig (Duchy) 1,665 Anne S.K. Brown Military Collection 1,603 Adam Matthew Digital (Firm) 1,297 John Milton and Ruth Neils Ward Collection (Harvard Theatre Collection) 1,143 ebrary, Inc 967 Universiṭah ha-ʻIvrit bi-Yerushalayim Merkaz le-omanut Yehudit 923 Karl I, Duke of Brunswick-Lüneburg, 1713-1780 909 Hitler, Adolf, 1889-1945 857 Grimm, Jacob, 1785-1863 810 Prussia (Kingdom) 776 Prussia (Germany) 755 ProQuest (Firm) 740 Germany (West) 733 Grimm, Wilhelm, 1786-1859 727 Harold Jantz Collection of German Baroque Literature and German Americana 679 Riewert Tode Collection of German Student Movements and Counter-Culture 674 Cary Collection of Playing Cards (Beinecke Rare Book and Manuscript Library) 669 Organisation for Economic Co-operation and Development 662 Research Publications, inc 646 Ceresnjes, Ivan 607 Rosengarten Family Fund 555 British Intelligence Objectives Sub-Committee 536 Ḳol Yiśraʼel 534 Alumni and Friends Memorial Book Fund 524 Luther, Martin, 1483-1546 478 see all ...

German 527,492 English 112,447 French 21,889 Latin 14,795 Italian 6,048 Russian 6,040 Hebrew 5,047 Polish 4,688 Spanish 3,847 No linguistic content 3,347 Dutch 2,321 Japanese 2,035 Multiple 1,639 Undetermined 1,624 Chinese 1,288 Czech 1,239 Turkish 1,077 Swedish 832 Yiddish 832 Danish 814 Portuguese 764 Middle High German 666 Korean 555 Hungarian 533 Arabic 524 Ukrainian 454 Greek 441 Ancient Greek 336 Norwegian 269 Romanian 267 see all ...

History 113,801 Biography 57,674 Biographies 33,390 Exhibitions 21,775 Congresses 20,127 Academic theses 17,913 Sources 16,954 Catalogs 16,025 Criticism, interpretation, etc 15,328 Exhibition catalogs 14,512 Conference papers and proceedings 13,728 Electronic books 12,712 Periodicals 12,246 Early works to 1800 11,664 Fiction 9,091 Pictorial works 8,636 Thèses et écrits académiques 8,159 Bibliography 8,051 Academic Dissertation 7,465 Maps 7,170 Hochschulschrift 6,782 Personal narratives 6,431 Correspondence 6,413 Church history 5,885 Dictionaries 5,678 Drama 5,352 Guidebooks 4,091 Bibliographies 3,881 Autobiographies 3,844 Early works 3,698 see all ...

20th century 70,366 1900-1999 29,532 19th century 25,136 1933-1945 20,911 18th century 13,357 1939-1945 11,574 1900 - 1999 10,320 1918-1933 9,595 21st century 8,596 1800-1899 7,351 1990- 7,257 1945-1990 5,871 16th century 5,551 17th century 5,547 1889-1945 5,018 1918-1945 4,446 20e siècle 4,320 1945- 3,826 1700-1799 3,807 1939 - 1945 3,581 Early works to 1800 3,506 1871-1918 3,469 Unification, 1990 3,467 1789-1900 3,114 Since 1990 3,080 1914-1918 2,969 1800-1999 2,791 2000-2099 2,708 1945-1955 2,655 1800 - 1899 2,381 see all ...