History 30,034 Biography 9,423 Electronic books 6,603 Periodicals 6,218 Fiction 5,147 Congresses 5,106 Biographies 4,646 Sources 4,377 Maps 4,118 Exhibitions 3,513 Statistics 3,286 Conference papers and proceedings 3,285 Catalogs 3,244 Pictorial works 3,093 Criticism, interpretation, etc 2,827 Academic theses 2,607 Bibliography 2,487 Newspapers 2,402 Thèses et écrits académiques 2,393 Exhibition catalogs 2,257 Drama 2,142 Case studies 1,816 Feature films 1,767 dissertations 1,231 theses 1,210 doctoral dissertations 1,209 masters theses 1,209 Interviews 1,201 Bibliographies 1,110 Texts 1,099 Documentary films 1,093 Academic Dissertation 1,089 Guidebooks 1,086 Poetry 1,072 Dictionaries 1,053 Early works to 1800 970 Video recordings 958 Novels 953 Specimens 920 Church history 839 Folklore 816 Journaux 782 Mexican poetry 756 Statutes and codes 720 Mexican fiction 679 newspapers 673 Fiction films 655 Facsimiles 654 Sound recordings 638 Artists' books 619 Correspondence 573 DVD-Video discs 569 Nonfiction films 569 Internet videos 555 Music 522 Autobiographies 507 Directories 501 Short stories, Mexican 463 Early works 455 Periodical 447 Illustrated works 445 Anecdotes 444 Juvenile literature 438 Portraits 432 Sermons 426 Historical fiction 425 Personal narratives 407 In art 405 Romans 398 Caricatures and cartoons 376 Romans, nouvelles, etc 369 Juvenile works 359 Novela 351 Short stories 348 Lois et codes 340 Art 330 Video recordings for the hearing impaired 324 Cookbooks 320 Teatro 312 Juvenile fiction 305 Diaries 303 Broadsides 298 Motion pictures 292 Film adaptations 282 Expositions 278 Comic books, strips, etc 269 Classification 266 Treaties 263 Constitutional amendments 254 Tourist maps 253 CD-ROMs 251 Records and correspondence 250 Spanish language materials 246 Essays 245 Comics (Graphic works) 244 Handbooks, manuals, etc 243 Popular music 242 Songs and music 238 Constitutions 236 Catalogues 233