History 30,113 Biography 9,450 Electronic books 6,687 Periodicals 6,223 Fiction 5,147 Congresses 5,124 Biographies 4,652 Sources 4,384 Maps 4,125 Exhibitions 3,525 Conference papers and proceedings 3,301 Statistics 3,283 Catalogs 3,244 Pictorial works 3,101 Criticism, interpretation, etc 2,812 Academic theses 2,615 Bibliography 2,495 Newspapers 2,403 Thèses et écrits académiques 2,400 Exhibition catalogs 2,259 Drama 2,158 Case studies 1,824 Feature films 1,783 dissertations 1,236 theses 1,210 doctoral dissertations 1,209 masters theses 1,209 Interviews 1,206 Bibliographies 1,122 Documentary films 1,103 Texts 1,101 Academic Dissertation 1,091 Guidebooks 1,084 Poetry 1,072 Dictionaries 1,052 Early works to 1800 975 Video recordings 968 Novels 950 Specimens 927 Church history 846 Folklore 816 Journaux 782 Mexican poetry 756 Statutes and codes 720 Mexican fiction 677 newspapers 673 Fiction films 668 Facsimiles 657 Sound recordings 638 Artists' books 624 Correspondence 577 DVD-Video discs 574 Nonfiction films 573 Internet videos 558 Music 521 Autobiographies 507 Directories 501 Short stories, Mexican 465 Early works 459 Illustrated works 451 Periodical 448 Anecdotes 445 Juvenile literature 437 Portraits 433 Historical fiction 427 Sermons 426 Personal narratives 409 In art 407 Romans, nouvelles, etc 385 Caricatures and cartoons 377 Romans 373 Juvenile works 362 Short stories 351 Novela 344 Lois et codes 341 Video recordings for the hearing impaired 331 Art 330 Cookbooks 322 Teatro 322 Juvenile fiction 306 Diaries 304 Electronic journals 304 Broadsides 299 Motion pictures 293 Film adaptations 288 Expositions 280 Comic books, strips, etc 272 Classification 267 Treaties 266 Congrès 258 Constitutional amendments 254 Tourist maps 253 CD-ROMs 251 Essays 250 Records and correspondence 250 Comics (Graphic works) 246 Handbooks, manuals, etc 245 Spanish language materials 245 Popular music 242 Songs and music 241