History 28,739 Criticism, interpretation, etc 9,137 Biography 6,391 Biographies 5,632 Early works to 1800 5,168 Early works 4,814 Sources 2,748 Electronic books 2,477 Fiction 2,421 Poems 1,787 Sermons 1,725 Congresses 1,594 Conference papers and proceedings 1,584 Exhibition catalogs 1,416 Exhibitions 1,408 Correspondence 1,330 Operas 1,098 Church history 1,088 Plays 1,064 Librettos 1,057 Personal correspondence 1,005 Catalogs 1,003 Poetry 929 Records and correspondence 925 Drama 895 Bibliography 829 Scores 769 Periodicals 692 Academic theses 682 Bibliographies 620 Broadsides 586 Military history 569 Thèses et écrits académiques 528 Single sheet verse 479 Naval history 454 Dictionaries 423 Historical fiction 395 Novels 385 Autobiographies 377 Diaries 377 Excerpts 309 Translations 308 Pictorial works 282 Academic Dissertation 268 Ouvrages avant 1800 265 dissertations 253 Booksellers' advertisements 241 Chamber music 238 Sound recordings 228 doctoral dissertations 223 masters theses 222 theses 222 Publishers' advertisements 219 collective biographies 206 Partitions (Musique) 205 Specimens 204 Art 199 Aufsatzsammlung 196 Pamphlets 192 Expositions 191 Sonatas 190 Comedies 188 Controversial literature 185 Portraits 184 Translations into English 184 Streaming audio 179 Tracts (literary works) 174 Essays 169 Congrès 165 Imprints 164 Festschriften 163 Romans, nouvelles, etc 163 Hochschulschrift 151 Trials, litigation, etc 150 Association copies (Provenance) 148 Songs 146 Playbills 145 Partitions 143 In art 142 Scores and parts 142 Humor 141 Annotations (Provenance) 139 Letters 138 Romans 129 Genealogy 128 Catalogues d'exposition 127 exhibition catalogs 123 Poésie 117 Advertisements 112 Correspondance 112 Newspapers 112 Parts (Music) 112 Feature films 110 Facsimiles 108 Catalogues 107 Maps 106 poetry 104 Extraits 103 Notated music 103 Personal narratives 103