History 1,981,455 Ver registros Biography 1,004,860 Ver registros Periodicals 661,621 Ver registros Maps 565,908 Ver registros Electronic books 545,249 Ver registros Biographies 539,910 Ver registros Sources 425,160 Ver registros Fiction 395,360 Ver registros Congresses 367,329 Ver registros Early works to 1800 335,783 Ver registros Statistics 272,159 Ver registros Criticism, interpretation, etc 267,468 Ver registros Conference papers and proceedings 256,511 Ver registros Private bills 223,882 Ver registros Catalogs 222,654 Ver registros Exhibitions 220,964 Ver registros Pictorial works 219,088 Ver registros Bibliography 187,787 Ver registros Exhibition catalogs 140,943 Ver registros Drama 138,120 Ver registros Early works 130,800 Ver registros Legislative bills 112,074 Ver registros Guidebooks 107,170 Ver registros Poetry 93,615 Ver registros Broadsides 92,235 Ver registros Dictionaries 85,084 Ver registros Directories 84,770 Ver registros Feature films 81,205 Ver registros Personal narratives 80,571 Ver registros Bibliographies 79,620 Ver registros Autobiographies 77,675 Ver registros Interviews 77,388 Ver registros Academic theses 75,749 Ver registros Case studies 72,982 Ver registros Correspondence 63,413 Ver registros Trials, litigation, etc 61,892 Ver registros Video recordings 61,127 Ver registros Church history 60,365 Ver registros Handbooks, manuals, etc 59,120 Ver registros Documentary films 57,894 Ver registros Thèses et écrits académiques 57,487 Ver registros Novels 54,969 Ver registros Internet videos 53,627 Ver registros Newspapers 52,925 Ver registros Photographs 51,112 Ver registros Genealogy 49,982 Ver registros DVD-Video discs 45,225 Ver registros Juvenile literature 44,702 Ver registros Anecdotes 44,600 Ver registros Sound recordings 41,991 Ver registros Legislative hearings 38,307 Ver registros Diaries 37,491 Ver registros Cases 36,388 Ver registros Specimens 36,270 Ver registros Illustrated works 36,262 Ver registros Designs and plans 36,088 Ver registros Military history 35,388 Ver registros Topographic maps 34,846 Ver registros Statutes and codes 33,967 Ver registros Texts 32,462 Ver registros Juvenile works 32,286 Ver registros Handbooks and manuals 31,604 Ver registros Sermons 31,175 Ver registros Portraits 30,818 Ver registros Printed ephemera 30,504 Ver registros Fiction films 30,241 Ver registros Music 29,130 Ver registros Academic Dissertation 28,891 Ver registros Video recordings for the hearing impaired 28,853 Ver registros dissertations 28,626 Ver registros Historical fiction 28,216 Ver registros Personal correspondence 27,138 Ver registros Records and correspondence 27,049 Ver registros Juvenile fiction 26,638 Ver registros Nonfiction films 26,375 Ver registros Songs and music 26,279 Ver registros In art 26,140 Ver registros theses 25,958 Ver registros doctoral dissertations 25,930 Ver registros masters theses 25,924 Ver registros Legislative materials 25,598 Ver registros Romans 24,216 Ver registros Comic books, strips, etc 23,982 Ver registros Romans, nouvelles, etc 23,856 Ver registros Folklore 23,671 Ver registros Indexes 23,316 Ver registros Controversial literature 20,823 Ver registros Caricatures and cartoons 20,803 Ver registros Facsimiles 20,656 Ver registros Festschriften 20,148 Ver registros Print 20,114 Ver registros Electronic journals 19,952 Ver registros Mystery fiction 19,939 Ver registros Registers 19,782 Ver registros Government publications 19,489 Ver registros Art 19,436 Ver registros Chronology 19,160 Ver registros Almanacs 19,006 Ver registros Posters 18,792 Ver registros Songs 18,251 Ver registros