Electronic books 311,587 Early works to 1800 81,710 Periodicals 44,443 Biographies 41,082 Biography 36,762 Fiction 33,074 History 29,806 Congresses 19,788 Electronic journals 16,905 Scores 15,833 Exhibitions 14,897 Exhibition catalogs 14,829 Sound recordings 14,554 Conference papers and proceedings 14,529 Criticism, interpretation, etc 13,250 Video recordings 11,396 Bibliographies 10,448 Poetry 10,385 Drama 10,282 Bibliography 10,120 Broadsides 9,801 Sources 9,350 Catalogs 9,182 Autobiographies 8,704 Case studies 8,644 Périodiques 8,602 Periodical 8,544 Feature films 7,989 Notated music 6,441 Dictionaries 6,351 Controversial literature 6,297 Interviews 6,193 Sermons 5,771 Translations into English 5,250 Pictorial works 4,438 Academic theses 4,242 Parts (Music) 4,197 Songs 3,972 Illustrated works 3,849 Handbooks, manuals, etc 3,698 Video recordings for the hearing impaired 3,686 Correspondence 3,622 Scores and parts 3,574 Nonfiction films 3,363 Operas 3,066 Personal correspondence 2,951 Electronic book 2,907 Oral histories 2,808 Piano music 2,721 Internet videos 2,692 more ...