History 10,664 Congresses 7,293 Electronic books 6,109 Periodicals 5,601 Conference papers and proceedings 4,703 Fiction 3,695 Maps 3,074 Biography 2,963 Bibliography 2,703 Criticism, interpretation, etc 1,913 Biographies 1,801 Early works to 1800 1,632 Internet videos 1,294 Bibliographies 1,075 Pictorial works 1,038 Exhibitions 993 Case studies 902 Catalogs 876 Sources 817 Drama 806 Statistics 766 Poetry 672 Documentary films 652 Exhibition catalogs 631 Video recordings 603 Juvenile literature 573 Novels 568 Early works 561 Directories 551 Sound recordings 458 Dictionaries 444 Juvenile fiction 444 Juvenile works 433 Feature films 430 Military history 417 Church history 403 Music 397 Autobiographies 362 Interviews 360 Aufsatzsammlung 322 Academic theses 319 Handbooks, manuals, etc 311 Folklore 303 Festschriften 276 Romans, nouvelles, etc 274 Congrès 270 Educational films 266 Romans 265 Television news programs 260 Nonfiction films 253 Early maps 251 Electronic journals 250 Documentary television programs 245 Thèses et écrits académiques 238 Personal narratives 222 Comic books, strips, etc 215 Folk music 215 Diaries 203 Texts 202 Correspondence 199 Guidebooks 199 Classification 195 Congress 186 Popular music 175 Périodiques 174 Textbooks 170 Essays 166 Handbooks and manuals 166 Illustrated works 165 Encyclopedias 163 Video recordings for the hearing impaired 163 DVD-Video discs 155 Short stories 153 Printed ephemera 148 Legislative hearings 146 Indexes 141 Controversial literature 135 Conference papers and proceedings 133 Fiction films 129 Comics (Graphic works) 124 Electronic book 122 dissertations 122 Databases 121 Expositions 119 Academic Dissertation 118 bibliography 118 Cross-cultural studies 114 Periodical 114 reference 114 referencia 114 référence bibliographique 114 Actes de congrès 113 Adventure fiction 113 Historical fiction 112 Kongress 112 Translations 110 bibliografía 110 bibliographie 110 Short films 109 Photographs 108