Electronic books 3,002 Periodicals 1,462 Publicaciones seriadas 1,097 Congresses 762 Congresos 754 Libros electronicos 533 Publicaciones Seriadas 179 Biography 137 Streaming audio 137 Documentary films 85 Publicaciones periodicas 69 Fiction 56 DVD-Video discs 38 Feature films 37 Tesis 27 Drama 25 Theses 23 Pictorial works 21 Interviews 20 Television news programs 20 Nonfiction films 19 Case studies 18 Fiction films 18 Documentary television programs 16 Artists' books 14 Music 14 Sources 14 Bibliography 13 Personal narratives 13 Poetry 13 Electronic journals 12 Video recordings for the hearing impaired 12 History 11 Songs and music 10 Artists' books, Cuban 9 Exhibitions 9 Filmed performances 9 Historical fiction 8 Juvenile literature 8 Short films 8 Autographs 7 Biographical films 7 Biographies 7 Comic books, strips, etc 7 Electronic book 7 In art 7 Historical films 6 Catalogs 5 Comedy films 5 Dictionaries 5 Encyclopedias 5 Graphic novels 5 Correspondence 4 Doctoral theses 4 Documentary 4 Educational films 4 Film adaptations 4 Juvenile fiction 4 Literary collections 4 Tesis de doctorado 4 Thesis 4 Translations into English 4 Videocassettes 4 Anecdotes 3 Biographical fiction 3 Chronology 3 Detective and mystery fiction 3 Diaries 3 Exhibition catalogs 3 Folklore 3 Maps 3 Nonfiction television programs 3 Silent films 3 Specimens 3 Travelogues (Television programs) 3 Action and adventure fiction 2 Actualities (Motion pictures) 2 Animated films 2 Biografia 2 Black humor 2 Broadsides 2 Cases 2 Concert films 2 Dance music 2 Erotic fiction 2 Essays 2 Filmed dance 2 Filmed speeches 2 Folk music 2 Guidebooks 2 Historical fiction, American 2 Illustrated works 2 Informational works 2 Melodramas (Motion pictures) 2 Personal narratives, Spanish 2 Political fiction 2 Romance fiction 2 Sones 2 Television mini-series 2 Thrillers (Fiction) 2