History 1,979,563 查看记录 Biography 1,004,810 查看记录 Periodicals 661,663 查看记录 Maps 565,912 查看记录 Biographies 539,375 查看记录 Electronic books 531,252 查看记录 Sources 425,103 查看记录 Fiction 395,329 查看记录 Congresses 367,378 查看记录 Early works to 1800 335,215 查看记录 Statistics 272,178 查看记录 Criticism, interpretation, etc 267,292 查看记录 Conference papers and proceedings 256,518 查看记录 Private bills 223,882 查看记录 Catalogs 222,593 查看记录 Exhibitions 220,914 查看记录 Pictorial works 219,119 查看记录 Bibliography 188,138 查看记录 Exhibition catalogs 140,679 查看记录 Drama 138,152 查看记录 Early works 130,709 查看记录 Legislative bills 112,074 查看记录 Guidebooks 107,142 查看记录 Poetry 93,475 查看记录 Broadsides 92,231 查看记录 Dictionaries 85,058 查看记录 Directories 84,736 查看记录 Feature films 81,219 查看记录 Personal narratives 80,549 查看记录 Bibliographies 79,519 查看记录 Autobiographies 77,651 查看记录 Interviews 77,403 查看记录 Academic theses 75,729 查看记录 Case studies 72,998 查看记录 Correspondence 63,404 查看记录 Trials, litigation, etc 61,895 查看记录 Video recordings 61,142 查看记录 Church history 60,369 查看记录 Handbooks, manuals, etc 59,109 查看记录 Documentary films 57,902 查看记录 Thèses et écrits académiques 57,459 查看记录 Novels 55,027 查看记录 Internet videos 53,627 查看记录 Newspapers 52,937 查看记录 Photographs 51,107 查看记录 Genealogy 49,962 查看记录 DVD-Video discs 45,226 查看记录 Juvenile literature 44,688 查看记录 Anecdotes 44,573 查看记录 Sound recordings 41,993 查看记录 Legislative hearings 38,307 查看记录 Diaries 37,494 查看记录 Cases 36,393 查看记录 Specimens 36,290 查看记录 Illustrated works 36,257 查看记录 Designs and plans 36,086 查看记录 Military history 35,354 查看记录 Topographic maps 34,847 查看记录 Statutes and codes 33,971 查看记录 Texts 32,455 查看记录 Juvenile works 32,294 查看记录 Handbooks and manuals 31,607 查看记录 Portraits 30,808 查看记录 Sermons 30,656 查看记录 Printed ephemera 30,461 查看记录 Fiction films 30,256 查看记录 Music 29,125 查看记录 Academic Dissertation 28,882 查看记录 Video recordings for the hearing impaired 28,867 查看记录 dissertations 28,616 查看记录 Historical fiction 28,235 查看记录 Personal correspondence 27,132 查看记录 Records and correspondence 27,051 查看记录 Juvenile fiction 26,640 查看记录 Nonfiction films 26,377 查看记录 Songs and music 26,272 查看记录 In art 26,151 查看记录 theses 25,957 查看记录 doctoral dissertations 25,929 查看记录 masters theses 25,923 查看记录 Legislative materials 25,598 查看记录 Romans 24,135 查看记录 Comic books, strips, etc 23,990 查看记录 Romans, nouvelles, etc 23,937 查看记录 Folklore 23,674 查看记录 Indexes 23,315 查看记录 Caricatures and cartoons 20,806 查看记录 Controversial literature 20,664 查看记录 Facsimiles 20,656 查看记录 Festschriften 20,150 查看记录 Print 20,114 查看记录 Electronic journals 19,957 查看记录 Mystery fiction 19,942 查看记录 Registers 19,767 查看记录 Government publications 19,492 查看记录 Art 19,422 查看记录 Chronology 19,150 查看记录 Almanacs 19,003 查看记录 Posters 18,792 查看记录 Songs 18,253 查看记录