History 2,267,537 查看记录 Electronic books 1,189,547 查看记录 Biography 1,179,936 查看记录 Periodicals 994,954 查看记录 Congresses 897,201 查看记录 Criticism, interpretation, etc 825,547 查看记录 Early works to 1800 733,389 查看记录 Fiction 703,192 查看记录 Biographies 648,602 查看记录 Conference papers and proceedings 615,421 查看记录 Sources 453,522 查看记录 Exhibitions 369,587 查看记录 Catalogs 339,500 查看记录 Bibliography 337,824 查看记录 Maps 334,623 查看记录 Early works 298,968 查看记录 Dictionaries 295,791 查看记录 Scores 294,165 查看记录 Statistics 286,489 查看记录 Sound recordings 278,660 查看记录 Drama 251,422 查看记录 Pictorial works 245,280 查看记录 Exhibition catalogs 235,970 查看记录 Poetry 229,420 查看记录 Private bills 223,904 查看记录 Streaming audio 156,927 查看记录 Internet videos 156,060 查看记录 Handbooks, manuals, etc 146,693 查看记录 Bibliographies 145,368 查看记录 Academic theses 136,395 查看记录 Video recordings 123,159 查看记录 Interviews 117,115 查看记录 Case studies 116,193 查看记录 Feature films 115,652 查看记录 Legislative bills 112,079 查看记录 Juvenile literature 107,972 查看记录 Sermons 106,562 查看记录 Novels 104,024 查看记录 Texts 102,637 查看记录 Excerpts 98,835 查看记录 Thèses et écrits académiques 98,743 查看记录 Directories 97,452 查看记录 Personal narratives 96,633 查看记录 Correspondence 96,106 查看记录 Broadsides 94,825 查看记录 Autobiographies 94,651 查看记录 Scores and parts 85,718 查看记录 Handbooks and manuals 84,525 查看记录 Songs 83,881 查看记录 Guidebooks 83,316 查看记录 Documentary films 79,882 查看记录 Juvenile works 79,075 查看记录 Juvenile fiction 77,977 查看记录 Translations 67,298 查看记录 Trials, litigation, etc 64,996 查看记录 Commentaries 63,798 查看记录 Chamber music 62,995 查看记录 Specimens 62,053 查看记录 Church history 60,601 查看记录 Anecdotes 59,425 查看记录 Facsimiles 58,503 查看记录 Controversial literature 58,028 查看记录 Photographs 57,045 查看记录 Congress 56,142 查看记录 Songs and music 55,941 查看记录 Musical settings 55,576 查看记录 Electronic journals 54,493 查看记录 DVD-Video discs 54,323 查看记录 Parts (Music) 52,498 查看记录 Operas 51,669 查看记录 Academic Dissertation 50,923 查看记录 Textbooks 50,605 查看记录 Translations into English 49,754 查看记录 Downloadable audio file 49,651 查看记录 Periodical 49,101 查看记录 dissertations 48,578 查看记录 Music 48,512 查看记录 Diaries 47,647 查看记录 Educational films 47,445 查看记录 Art music 46,668 查看记录 Illustrated works 46,660 查看记录 Vocal scores with piano 46,285 查看记录 Comic books, strips, etc 45,583 查看记录 Legislative materials 45,086 查看记录 Portraits 44,714 查看记录 Romans 44,688 查看记录 Video recordings for the hearing impaired 44,578 查看记录 Short stories 44,029 查看记录 theses 43,919 查看记录 doctoral dissertations 43,872 查看记录 masters theses 43,854 查看记录 Designs and plans 43,752 查看记录 Indexes 43,069 查看记录 Fiction films 42,119 查看记录 Personal correspondence 41,975 查看记录 Genealogy 41,874 查看记录 Manuscripts 41,792 查看记录 Printed ephemera 41,699 查看记录 Legislative hearings 41,417 查看记录 Records and correspondence 41,299 查看记录