Electronic books 239,425 Early works to 1800 81,780 Periodicals 44,862 Biographies 44,746 Biography 37,406 Fiction 33,210 History 32,768 Congresses 20,405 Electronic journals 17,055 Scores 15,872 Exhibitions 14,994 Exhibition catalogs 14,927 Conference papers and proceedings 14,827 Sound recordings 14,600 Criticism, interpretation, etc 14,588 Video recordings 11,471 Drama 10,865 Poetry 10,734 Bibliographies 10,489 Bibliography 10,168 Broadsides 9,803 Sources 9,513 Catalogs 9,220 Autobiographies 8,917 Case studies 8,831 Périodiques 8,684 Periodical 8,671 Feature films 8,042 Notated music 6,450 Dictionaries 6,414 Interviews 6,320 Controversial literature 6,301 Sermons 5,771 Academic theses 5,612 Translations into English 5,294 Pictorial works 4,481 Illustrated works 4,403 Parts (Music) 4,206 Songs 3,988 Handbooks, manuals, etc 3,794 Video recordings for the hearing impaired 3,734 Correspondence 3,658 Scores and parts 3,579 Nonfiction films 3,379 Operas 3,077 Personal correspondence 2,987 Piano music 2,925 Oral histories 2,813 Internet videos 2,692 Documentary films 2,547 more ...