History 30,047 Biography 9,428 Electronic books 6,595 Periodicals 6,220 Fiction 5,137 Congresses 5,110 Biographies 4,646 Sources 4,378 Maps 4,123 Exhibitions 3,513 Conference papers and proceedings 3,287 Statistics 3,284 Catalogs 3,243 Pictorial works 3,092 Criticism, interpretation, etc 2,808 Academic theses 2,610 Bibliography 2,490 Newspapers 2,403 Thèses et écrits académiques 2,396 Exhibition catalogs 2,258 Drama 2,155 Case studies 1,820 Feature films 1,779 dissertations 1,232 theses 1,210 doctoral dissertations 1,209 masters theses 1,209 Interviews 1,204 Bibliographies 1,116 Texts 1,100 Documentary films 1,098 Academic Dissertation 1,091 Guidebooks 1,084 Poetry 1,071 Dictionaries 1,052 Early works to 1800 973 Video recordings 965 Novels 946 Specimens 920 Church history 841 Folklore 816 Journaux 782 Mexican poetry 755 Statutes and codes 720 Mexican fiction 678 newspapers 673 Fiction films 667 Facsimiles 656 Sound recordings 638 Artists' books 619 Correspondence 575 DVD-Video discs 574 Nonfiction films 571 Internet videos 557 Music 521 Autobiographies 506 Directories 501 Short stories, Mexican 465 Early works 457 Periodical 447 Anecdotes 445 Illustrated works 445 Juvenile literature 437 Portraits 432 Sermons 426 Historical fiction 425 Personal narratives 407 In art 405 Romans, nouvelles, etc 377 Caricatures and cartoons 376 Romans 374 Juvenile works 360 Short stories 348 Novela 345 Lois et codes 341 Art 329 Video recordings for the hearing impaired 328 Cookbooks 323 Teatro 322 Juvenile fiction 305 Diaries 303 Broadsides 299 Motion pictures 293 Film adaptations 288 Expositions 277 Comic books, strips, etc 271 Classification 266 Treaties 265 Constitutional amendments 254 Tourist maps 253 CD-ROMs 251 Records and correspondence 250 Essays 247 Comics (Graphic works) 245 Spanish language materials 244 Handbooks, manuals, etc 243 Popular music 242 Congrès 240 Catalogues 237 Songs and music 237