History 28,705 Criticism, interpretation, etc 9,135 Biography 6,409 Biographies 5,659 Early works to 1800 5,157 Early works 4,805 Sources 2,737 Electronic books 2,518 Fiction 2,426 Poems 1,785 Sermons 1,722 Congresses 1,592 Conference papers and proceedings 1,583 Exhibition catalogs 1,423 Exhibitions 1,415 Correspondence 1,334 Operas 1,095 Church history 1,084 Plays 1,063 Librettos 1,054 Personal correspondence 1,008 Catalogs 1,005 Poetry 928 Records and correspondence 924 Drama 895 Bibliography 824 Scores 768 Periodicals 694 Academic theses 690 Bibliographies 617 Broadsides 585 Military history 569 Thèses et écrits académiques 536 Single sheet verse 479 Naval history 463 Dictionaries 423 Historical fiction 401 Novels 386 Autobiographies 377 Diaries 374 Excerpts 309 Translations 307 Pictorial works 281 Academic Dissertation 272 Ouvrages avant 1800 261 dissertations 257 Booksellers' advertisements 239 Chamber music 238 Sound recordings 228 doctoral dissertations 223 masters theses 222 theses 222 Publishers' advertisements 217 collective biographies 213 Partitions (Musique) 208 Specimens 203 Art 200 Aufsatzsammlung 196 Expositions 192 Pamphlets 191 Sonatas 191 Comedies 187 Controversial literature 183 Portraits 183 Translations into English 183 Streaming audio 179 Tracts (literary works) 176 Essays 170 Festschriften 163 Imprints 162 Congrès 161 Romans, nouvelles, etc 157 Hochschulschrift 152 Trials, litigation, etc 150 Association copies (Provenance) 147 Songs 146 Playbills 145 In art 144 Partitions 143 Scores and parts 142 Humor 141 Romans 140 Annotations (Provenance) 139 Letters 138 Catalogues d'exposition 131 Genealogy 128 exhibition catalogs 127 Poésie 119 Catalogues 113 Advertisements 112 Newspapers 112 Parts (Music) 112 Correspondance 109 Feature films 109 Facsimiles 108 poetry 107 Maps 105 Personal narratives 104 Extraits 103 Notated music 103