History 10,646 Congresses 7,293 Electronic books 6,060 Periodicals 5,603 Conference papers and proceedings 4,699 Fiction 3,699 Maps 3,074 Biography 2,964 Bibliography 2,703 Criticism, interpretation, etc 1,913 Biographies 1,800 Early works to 1800 1,633 Internet videos 1,295 Bibliographies 1,077 Pictorial works 1,040 Exhibitions 994 Case studies 904 Catalogs 877 Sources 820 Drama 811 Statistics 766 Poetry 673 Documentary films 655 Exhibition catalogs 632 Video recordings 603 Juvenile literature 572 Novels 563 Early works 560 Directories 552 Sound recordings 459 Dictionaries 443 Juvenile fiction 443 Feature films 435 Juvenile works 433 Military history 414 Church history 404 Music 397 Interviews 361 Autobiographies 360 Aufsatzsammlung 322 Academic theses 319 Handbooks, manuals, etc 311 Folklore 303 Romans, nouvelles, etc 294 Congrès 278 Festschriften 276 Educational films 266 Romans 265 Television news programs 260 Nonfiction films 255 Early maps 251 Electronic journals 249 Documentary television programs 245 Thèses et écrits académiques 238 Personal narratives 223 Comic books, strips, etc 216 Folk music 215 Diaries 204 Texts 204 Correspondence 200 Guidebooks 199 Classification 195 Congress 186 Popular music 175 Textbooks 171 Handbooks and manuals 169 Essays 167 Périodiques 166 Video recordings for the hearing impaired 165 Encyclopedias 164 Illustrated works 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 132 Comics (Graphic works) 125 dissertations 123 Electronic book 122 Databases 121 Expositions 121 bibliography 119 reference 118 referencia 118 référence bibliographique 118 Academic Dissertation 117 Cross-cultural studies 114 Periodical 114 Périodiques 114 Adventure fiction 113 Historical fiction 112 Kongress 112 Photographs 111 bibliografía 111 bibliographie 111 Actes de congrès 110 Short films 110