History 10,659 Congresses 7,295 Electronic books 6,074 Periodicals 5,606 Conference papers and proceedings 4,702 Fiction 3,709 Maps 3,077 Biography 2,973 Bibliography 2,704 Criticism, interpretation, etc 1,911 Biographies 1,806 Early works to 1800 1,632 Internet videos 1,296 Bibliographies 1,077 Pictorial works 1,041 Exhibitions 994 Case studies 906 Catalogs 878 Sources 822 Drama 814 Statistics 766 Poetry 675 Documentary films 659 Exhibition catalogs 634 Video recordings 607 Juvenile literature 572 Novels 568 Early works 562 Directories 552 Sound recordings 459 Juvenile fiction 444 Dictionaries 443 Feature films 437 Juvenile works 433 Military history 414 Church history 404 Music 398 Interviews 362 Autobiographies 361 Aufsatzsammlung 322 Academic theses 320 Handbooks, manuals, etc 311 Folklore 303 Romans, nouvelles, etc 303 Electronic journals 298 Congrès 280 Festschriften 276 Romans 268 Educational films 266 Television news programs 264 Nonfiction films 254 Early maps 251 Documentary television programs 248 Thèses et écrits académiques 240 Personal narratives 223 Comic books, strips, etc 220 Folk music 215 Diaries 204 Texts 204 Correspondence 201 Guidebooks 199 Classification 195 Congress 186 Popular music 176 Textbooks 171 Handbooks and manuals 169 Essays 167 Encyclopedias 165 Video recordings for the hearing impaired 165 Illustrated works 163 Périodiques 161 DVD-Video discs 155 Short stories 153 Legislative hearings 148 Printed ephemera 148 Indexes 141 Controversial literature 137 Fiction films 134 Conference papers and proceedings 133 Comics (Graphic works) 126 dissertations 125 Electronic book 122 Expositions 122 Databases 121 bibliography 121 Périodiques 120 Academic Dissertation 118 reference 118 referencia 118 référence bibliographique 118 Cross-cultural studies 114 Periodical 114 Adventure fiction 113 bibliografía 113 bibliographie 113 Historical fiction 112 Kongress 112 Short films 111 Actes de congrès 110 Photographs 110