History 157,272 Biography 61,263 Periodicals 31,701 Sources 30,393 Biographies 28,346 Criticism, interpretation, etc 16,078 Electronic books 13,581 Anecdotes 13,067 Fiction 12,525 Catalogs 11,598 Congresses 10,404 Pictorial works 9,841 Bibliography 8,620 Maps 8,313 Conference papers and proceedings 7,338 Early works to 1800 7,045 Exhibitions 5,848 Drama 5,826 Statistics 5,801 Genealogy 5,426 Chronology 5,184 Dictionaries 4,667 Bibliographies 4,328 Early works 4,264 Feature films 4,187 Exhibition catalogs 4,099 Imprints 3,170 Chronologies 3,073 Autobiographies 2,730 Personal narratives 2,730 Cases 2,688 Documentary films 2,608 Case studies 2,606 Military history 2,574 Interviews 2,351 Directories 2,209 Diaries 1,984 Video recordings 1,912 Gazetteers 1,908 Internet videos 1,886 Indexes 1,796 Fiction films 1,784 Correspondence 1,714 Poetry 1,673 Guidebooks 1,604 Trials, litigation, etc 1,602 Rubbings 1,589 Local history 1,578 Miscellanea 1,556 Handbooks, manuals, etc 1,516 Texts 1,484 Illustrated works 1,442 Academic theses 1,420 Juvenile literature 1,400 Newspapers 1,332 Juvenile works 1,319 Nonfiction films 1,260 Facsimiles 1,211 Handbooks and manuals 1,080 Thèses et écrits académiques 1,022 Folklore 971 Catalogues 969 Reviews 944 Church history 922 Translations 903 Popular works 873 Formulae, receipts, prescriptions 866 Textbooks 861 Court decisions and opinions 846 Juvenile fiction 838 Treaties 837 Statutes and codes 823 Trivia and miscellanea 821 Personal correspondence 788 Records and correspondence 776 Sound recordings 771 Census data 766 Comic books, strips, etc 766 Registers 756 Novels 755 Translations into English 751 DVD-Video discs 750 Historical fiction 738 Atlases 716 Romans 687 Festschriften 671 Encyclopedias 665 Romans, nouvelles, etc 653 Legislative hearings 640 Picture books for children 628 Art 603 Film adaptations 564 Terminology 564 dissertations 550 Motion pictures 547 Music 537 Ouvrages illustrés 534 Documentary television programs 531 Educational films 524 Chinese language materials 522