History 16,758 Periodicals 15,030 Fiction 14,312 Electronic books 12,065 Maps 10,471 Biography 9,852 Catalogs 8,794 Broadsides 7,283 Printed ephemera 5,737 Pictorial works 5,621 Biographies 5,446 Drama 5,091 Trials, litigation, etc 4,996 Exhibitions 4,232 Statistics 3,631 Publishers' advertisements 3,000 Exhibition catalogs 2,988 Juvenile literature 2,811 Feature films 2,680 Directories 2,599 Almanacs 2,582 Trade catalogs 2,498 Newspapers 2,425 Manufacturers' catalogs 2,398 Guidebooks 2,308 Poetry 2,295 Video recordings for the hearing impaired 2,186 Advertisements 2,046 Bibliography 2,027 Booksellers' advertisements 1,926 Video recordings 1,913 Novels 1,866 Specimens 1,787 Sources 1,714 Interviews 1,662 Documentary films 1,555 Mystery fiction 1,531 Cases 1,530 Illustrated works 1,526 In art 1,491 Autobiographies 1,430 Acting editions 1,419 Early works to 1800 1,373 Juvenile fiction 1,373 Case studies 1,354 Sermons 1,351 Juvenile works 1,336 Criticism, interpretation, etc 1,268 Photographs 1,244 Congresses 1,218 Poems 1,217 Genealogy 1,156 Auction catalogs 1,134 Registers 1,099 Fiction films 1,066 Romans, nouvelles, etc 1,051 Detective and mystery fiction 1,041 Artists' books 1,037 Domestic fiction 1,024 Conference papers and proceedings 1,014 Portraits 1,008 Manuscripts (documents) 945 Trial and arbitral proceedings 894 Correspondence 885 Psychological fiction 873 Handbooks, manuals, etc 867 Historical fiction 853 Viewbooks 835 Bibliographies 816 Personal narratives 815 DVD-Video discs 813 Print 813 Promptbooks 805 Publishers' cloth bindings (Binding) 800 Internet videos 779 Romans 771 Nonfiction films 742 Diaries 737 Sound recordings 736 Topographic maps 719 Film adaptations 705 Photomechanical prints 704 Prospectuses 692 Oral histories (literary works) 691 Designs and plans 633 Comedy films 626 Anecdotes 605 Archives 600 Dictionaries 598 Love stories 588 Television series 588 Films for the hearing impaired 581 Road maps 579 Campaign literature 563 Bildungsromans 546 Operas 539 Comic books, strips, etc 538 Detective and mystery stories 535 Teatro 526 Printed wrappers (Binding) 513