History 24,591 Biography 6,017 Early works to 1800 5,622 Criticism, interpretation, etc 4,371 Congresses 3,673 Biographies 3,672 Conference papers and proceedings 2,869 Electronic books 2,556 Early works 2,461 Fiction 2,406 Catalogs 2,326 Exhibitions 2,293 Sources 2,193 Poetry 2,044 Exhibition catalogs 1,574 Pictorial works 1,289 Drama 1,227 Military history 1,126 Academic theses 951 Guidebooks 914 Translations 900 Translations into English 848 Bibliography 843 Maps 750 Thèses et écrits académiques 675 Correspondence 674 In art 644 Art 607 Dictionaries 566 Portraits 553 Historical fiction 537 Congrès 472 Librettos 454 Periodicals 423 Bibliographies 421 Operas 400 Feature films 399 Incunabula 365 Academic Dissertation 360 Festschriften 360 dissertations 313 Chronology 301 Personal correspondence 301 Church history 291 Designs and plans 284 Novels 284 Illustrated works 279 Juvenile literature 274 doctoral dissertations 271 masters theses 271 theses 271 Annotations (Provenance) 266 Records and correspondence 251 Aufsatzsammlung 241 Video recordings 229 Readers 219 Tragedies 217 Conference papers and proceedings 207 Expositions 206 Chronologies 203 Video recordings for the hearing impaired 191 Ouvrages avant 1800 184 Actes de congrès 177 Catalogues 174 Translations into Italian 173 Fiction films 171 Romans, nouvelles, etc 171 Facsimiles 166 Biographical fiction 157 Architectural drawings 146 Mystery fiction 142 Trials, litigation, etc 137 Specimens 136 DVD-Video discs 134 Juvenile works 133 Romans 132 Armorial bookplates (Provenance) 125 Film adaptations 123 Engravings 119 Poésie 119 Hochschulschrift 118 proceedings (reports) 118 Broadsides 117 Print 111 Printers' devices (Printing) 111 Autobiographies 108 collective biographies 106 Readers (Publications) 105 Indexes 103 Terminology 103 Texts 103 exhibition catalogs 102 Documentary films 101 Photographs 101 Vellum bindings (Binding) 101 Catalogues d'exposition 100 Diaries 98 Internet videos 96 Kongress 96 Detective and mystery fiction 94