Book 435,920 Unknown 72,190 Electronic 26,202 Reference Material 14,860 Government Document 14,068 Conference Proceeding 5,413 Thesis 1,474 Journal 953 Serial 724 Audio 339 Book Chapter 137 Manuscript 110 Map 51 Newspaper 42 Kit 31 Musical Score 15 see all ...

K - Law 97,968 H - Social Science 83,898 P - Language and Literature 51,999 D - World History 40,480 Z - Library Science 21,026 J - Political Science 19,932 E - United States History 16,975 F - General American History 13,786 B - Philosophy, Psychology, Religion 13,592 L - Education 12,057 M - Music 11,442 Q - Science 10,265 G - Geography, Anthropology, Recreation 10,085 R - Medicine 8,654 T - Technology 6,320 A - General Works 6,095 N - Fine Arts 4,814 U - Military Science 3,993 S - Agriculture 2,754 C - Historical Sciences 1,704 V - Naval Science 613 see all ...

United States 13,851 ebrary, Inc 12,053 United States Congress 11,729 De Gruyter 11,726 Project Muse 5,272 Taylor & Francis 4,720 International Monetary Fund 4,374 NetLibrary, Inc 3,407 Organisation for Economic Co-operation and Development 3,353 American Council of Learned Societies 3,063 Taylor & Francis eBooks 2,993 ProQuest (Firm) 2,954 ProQuest ebook central 2,829 EBSCOhost 2,082 Cambridge University Press 2,062 Great Britain 1,962 University of North Carolina at Chapel Hill Library 1,817 University of North Carolina at Chapel Hill Documenting the American South (Project) 1,815 United States Supreme Court 1,594 Walter de Gruyter & Co 1,487 JSTOR (Online Service) 1,291 ACLS Humanities E-Book (Organization) 1,280 France 1,200 Adam Matthew Digital (Firm) 1,010 Covington & Burling 981 Arnold & Porter 938 Walter de Gruyter Co 885 Rand Corporation 858 Great Britain Parliament 760 World Bank 760 see all ...

English 461,614 French 27,341 Spanish 23,632 German 11,846 Chinese 2,914 Italian 2,900 Latin 2,044 Dutch 1,746 Portuguese 1,664 Swedish 869 Korean 769 Arabic 767 Russian 728 Czech 541 Japanese 449 Hebrew 423 Polish 327 Danish 301 Ancient Greek 275 Undetermined 246 Middle French 235 Hungarian 192 Norwegian 174 Romance 166 Multiple 150 Greek 138 Catalan 106 Finnish 106 Turkish 106 Romanian 96 see all ...

20th century 25,632 19th century 16,468 1900-1999 12,755 21st century 8,732 18th century 7,087 1800-1899 5,477 17th century 5,083 Early works to 1800 4,683 20e siècle 4,506 20e siècle 4,274 Revolution, 1775-1783 3,955 2000-2099 3,796 Civil War, 1861-1865 3,370 16th century 2,546 To 1500 2,421 19e siècle 2,410 1945- 2,364 19e siècle 2,185 1775-1783 1,943 Colonial period, ca. 1600-1775 1,878 1800-1999 1,708 1700-1799 1,697 Revolution, 1789-1799 1,649 1989- 1,489 1775-1865 1,411 Since 1945 1,331 1861-1865 1,329 To 1775 1,205 1939-1945 1,177 1991- 1,149 see all ...